diff --git a/alert.cpp b/alert.cpp
index 327f7e5..277a2fa 100644
--- a/alert.cpp
+++ b/alert.cpp
@@ -19,10 +19,6 @@ alert::alert(QWidget *parent) :
     float stdIconWidth = sW / 1.7;
     float stdIconHeight = sH / 1.7;
 
-    QPixmap pixmap(":/resources/alert.png");
-    QPixmap scaledPixmap = pixmap.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio);
-    ui->alertIconLabel->setPixmap(scaledPixmap);
-
     // General stylesheet
     QFile stylesheetFile(":/resources/eink_dark.qss");
     stylesheetFile.open(QFile::ReadOnly);
@@ -31,19 +27,31 @@ alert::alert(QWidget *parent) :
 
     // Checking if the update's signature is untrusted. The signature error will always take precedence over the downgrade one (c.f. update.sh script)
     if(checkconfig("/external_root/boot/flags/ALERT_SIGN") == true) {
+        QPixmap pixmap(":/resources/alert.png");
+        QPixmap scaledPixmap = pixmap.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio);
+        ui->alertIconLabel->setPixmap(scaledPixmap);
+
         signatureError = true;
         ui->securityLabel->setText("Failed to update InkBox.");
         ui->messageLabel->setText("The digital signature of the update is untrusted.\nFor security reasons, it cannot be installed.");
         ui->stackedWidget->setCurrentIndex(1);
     }
     if(checkconfig("/external_root/boot/flags/ALERT_DOWNGRADE") == true) {
+        QPixmap pixmap(":/resources/alert.png");
+        QPixmap scaledPixmap = pixmap.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio);
+        ui->alertIconLabel->setPixmap(scaledPixmap);
+
         downgradeError = true;
         ui->securityLabel->setText("Failed to update InkBox.");
         ui->messageLabel->setText("An error occured during the update process.\nThe update package's version is lower than the actual installed version.");
         ui->stackedWidget->setCurrentIndex(1);
     }
-    if(global_static::battery::showCriticalBatteryAlert == true) {
-        global_static::battery::showCriticalBatteryAlert = false;
+    if(global::battery::showCriticalBatteryAlert == true) {
+        QPixmap pixmap(":/resources/battery_alert.png");
+        QPixmap scaledPixmap = pixmap.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio);
+        ui->alertIconLabel->setPixmap(scaledPixmap);
+
+        global::battery::showCriticalBatteryAlert = false;
         criticalBattery = true;
         ui->securityLabel->setText("Please charge your eReader.");
         ui->messageLabel->setText("The battery level is very low. To prevent damage to the filesystem, your device has been turned off.\nPlease consider charging it.");
diff --git a/eink.qrc b/eink.qrc
index 39d03d2..4c3eec1 100644
--- a/eink.qrc
+++ b/eink.qrc
@@ -37,5 +37,6 @@
         <file>resources/check.png</file>
         <file>resources/minus.png</file>
         <file>resources/plus.png</file>
+        <file>resources/battery_alert.png</file>
     </qresource>
 </RCC>
diff --git a/functions.h b/functions.h
index ae53e0e..ed64041 100644
--- a/functions.h
+++ b/functions.h
@@ -9,15 +9,21 @@
 #include <QProcess>
 #include <regex>
 
-// WoW, static variables and namespaces are awesome
-namespace global_static {
+// WoW, global variables and namespaces are awesome
+namespace global {
     namespace battery {
-        static bool showLowBatteryDialog = true;
-        static bool showCriticalBatteryAlert = false;
+        inline bool showLowBatteryDialog;
+        inline bool showCriticalBatteryAlert;
+        inline bool batteryAlertLock;
     }
     namespace reader {
-        static int pageNumber;
-        static bool skipOpenDialog = false;
+        inline int pageNumber;
+        inline int bookNumber;
+        inline bool skipOpenDialog;
+    }
+    namespace mainwindow {
+        inline bool updateDialog;
+        inline bool lowBatteryDialog;
     }
 }
 
diff --git a/generaldialog.cpp b/generaldialog.cpp
index d0c9df1..cdb611c 100644
--- a/generaldialog.cpp
+++ b/generaldialog.cpp
@@ -70,7 +70,7 @@ generalDialog::generalDialog(QWidget *parent) :
         this->adjustSize();
         string_writeconfig("/inkbox/settingsRebootDialog", "false");
     }
-    if(mainwindow_static::lowBatteryDialog == true) {
+    if(global::mainwindow::lowBatteryDialog == true) {
         lowBatteryDialog = true;
         ui->stackedWidget->setCurrentIndex(1);
         get_battery_level();
@@ -155,9 +155,9 @@ void generalDialog::on_acceptBtn_clicked()
     generalDialog::close();
 
     if(lowBatteryDialog == true) {
-        mainwindow_static::lowBatteryDialog = false;
-        reader_static::batteryAlertLock = false;
-        global_static::battery::showLowBatteryDialog = false;
+        global::mainwindow::lowBatteryDialog = false;
+        global::battery::batteryAlertLock = false;
+        global::battery::showLowBatteryDialog = false;
     }
 
     if(settingsRebootDialog == true) {
diff --git a/inkbox.pro b/inkbox.pro
index 4857804..3919623 100644
--- a/inkbox.pro
+++ b/inkbox.pro
@@ -2,7 +2,7 @@ QT       += core gui
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
-CONFIG += c++11
+CONFIG += c++11 c++17
 
 QMAKE_CXXFLAGS += -Wno-unused-function -Wno-unused-parameter
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 8c044af..e8281a1 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -247,8 +247,7 @@ MainWindow::MainWindow(QWidget *parent)
     // Reading from the config files and tweaking the program according to the options set
 
     // Safety mesure; /inkbox is a tmpfs
-    checked_box = false;
-    writeconfig("/inkbox/skip_opendialog", "SkipOpenDialog=");
+    global::reader::skipOpenDialog = false;
 
     // Demo setting, changes "Welcome to InkBox" label to "InkBox"
     if(checkconfig(".config/01-demo/config") == true) {
@@ -453,7 +452,7 @@ MainWindow::~MainWindow()
 }
 
 void MainWindow::openUpdateDialog() {
-    mainwindow_static::updateDialog = true;
+    global::mainwindow::updateDialog = true;
     // We write to a temporary file to show a "Reset" prompt
     string_writeconfig("/inkbox/updateDialog", "true");
 
@@ -465,7 +464,7 @@ void MainWindow::openUpdateDialog() {
 }
 
 void MainWindow::openLowBatteryDialog() {
-    mainwindow_static::lowBatteryDialog = true;
+    global::mainwindow::lowBatteryDialog = true;
 
     generalDialogWindow = new generalDialog(this);
     generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
@@ -511,10 +510,8 @@ void MainWindow::on_quitBtn_clicked()
 
 void MainWindow::on_book1Btn_clicked()
 {
-    checked_box = true;
-    writeconfig("/inkbox/skip_opendialog", "SkipOpenDialog=");
-
-    string_writeconfig("/inkbox/book_number", "1");
+    global::reader::skipOpenDialog = true;
+    global::reader::bookNumber = 1;
 
     readerWindow = new reader();
     readerWindow->setAttribute(Qt::WA_DeleteOnClose);
@@ -523,10 +520,8 @@ void MainWindow::on_book1Btn_clicked()
 
 void MainWindow::on_book2Btn_clicked()
 {
-    checked_box = true;
-    writeconfig("/inkbox/skip_opendialog", "SkipOpenDialog=");
-
-    string_writeconfig("/inkbox/book_number", "2");
+    global::reader::skipOpenDialog = true;
+    global::reader::bookNumber = 2;
 
     readerWindow = new reader();
     readerWindow->setAttribute(Qt::WA_DeleteOnClose);
@@ -535,10 +530,8 @@ void MainWindow::on_book2Btn_clicked()
 
 void MainWindow::on_book3Btn_clicked()
 {
-    checked_box = true;
-    writeconfig("/inkbox/skip_opendialog", "SkipOpenDialog=");
-
-    string_writeconfig("/inkbox/book_number", "3");
+    global::reader::skipOpenDialog = true;
+    global::reader::bookNumber = 3;
 
     readerWindow = new reader();
     readerWindow->setAttribute(Qt::WA_DeleteOnClose);
@@ -547,10 +540,8 @@ void MainWindow::on_book3Btn_clicked()
 
 void MainWindow::on_book4Btn_clicked()
 {
-    checked_box = true;
-    writeconfig("/inkbox/skip_opendialog", "SkipOpenDialog=");
-
-    string_writeconfig("/inkbox/book_number", "4");
+    global::reader::skipOpenDialog = true;
+    global::reader::bookNumber = 4;
 
     readerWindow = new reader();
     readerWindow->setAttribute(Qt::WA_DeleteOnClose);
diff --git a/mainwindow.h b/mainwindow.h
index 31f72e7..1a45894 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -12,11 +12,6 @@
 #include "generaldialog.h"
 using namespace std;
 
-namespace mainwindow_static {
-    static bool updateDialog = false;
-    static bool lowBatteryDialog = false;
-}
-
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
 QT_END_NAMESPACE
diff --git a/reader.cpp b/reader.cpp
index 597628b..afc3425 100644
--- a/reader.cpp
+++ b/reader.cpp
@@ -213,12 +213,12 @@ reader::reader(QWidget *parent) :
            get_battery_level();
            ui->batteryLabel->setText(batt_level);
            ui->timeLabel->setText(time);
-           if(global_static::battery::showLowBatteryDialog != true) {
+           if(global::battery::showLowBatteryDialog != true) {
                // Do nothing, since a dialog should already have been displayed and (probably) dismissed
                ;
            }
            else {
-                   if(reader_static::batteryAlertLock == true) {
+                   if(global::battery::batteryAlertLock == true) {
                        ;
                    }
                    else {
@@ -243,12 +243,12 @@ reader::reader(QWidget *parent) :
            get_battery_level();
            ui->batteryLabel->setText(batt_level);
            ui->timeLabel->setText(time);
-           if(global_static::battery::showLowBatteryDialog != true) {
+           if(global::battery::showLowBatteryDialog != true) {
                // Do nothing, since a dialog should already have been displayed and (probably) dismissed
                ;
            }
            else {
-                   if(reader_static::batteryAlertLock == true) {
+                   if(global::battery::batteryAlertLock == true) {
                        ;
                    }
                    else {
@@ -305,7 +305,7 @@ reader::reader(QWidget *parent) :
     } );
     select_t->start();
 
-    if(checkconfig("/inkbox/skip_opendialog") == true) {
+    if(global::reader::skipOpenDialog == true) {
         // We have to get the file's path
         if(checkconfig("/tmp/suspendBook") == true) {
             wakeFromSleep = true;
@@ -314,20 +314,19 @@ reader::reader(QWidget *parent) :
             book_file = "/inkbox/book/book.txt";
         }
         else {
-            string_checkconfig("/inkbox/book_number");
-            if(checkconfig_str_val == "1") {
+            if(global::reader::bookNumber == 1) {
                 string_checkconfig(".config/08-recent_books/1");
                 book_file = checkconfig_str_val;
             }
-            if(checkconfig_str_val == "2") {
+            if(global::reader::bookNumber == 2) {
                 string_checkconfig(".config/08-recent_books/2");
                 book_file = checkconfig_str_val;
             }
-            if(checkconfig_str_val == "3") {
+            if(global::reader::bookNumber == 3) {
                 string_checkconfig(".config/08-recent_books/3");
                 book_file = checkconfig_str_val;
             }
-            if(checkconfig_str_val == "4") {
+            if(global::reader::bookNumber == 4) {
                 string_checkconfig(".config/08-recent_books/4");
                 book_file = checkconfig_str_val;
             }
@@ -486,6 +485,102 @@ reader::~reader()
     delete ui;
 }
 
+int reader::setup_book(QString book, int i, bool run_parser) {
+    // Parse ebook
+    if(remount != false) {
+        QString mount_prog ("sh");
+        QStringList mount_args;
+        mount_args << "split.sh";
+        QProcess *mount_proc = new QProcess();
+        mount_proc->start(mount_prog, mount_args);
+        mount_proc->waitForFinished();
+        remount = false;
+    }
+    else {
+        string_writeconfig("/inkbox/remount", "false");
+        QString mount_prog ("sh");
+        QStringList mount_args;
+        mount_args << "split.sh";
+        QProcess *mount_proc = new QProcess();
+        mount_proc->start(mount_prog, mount_args);
+        mount_proc->waitForFinished();
+    }
+
+    if(booktostr_ran != true) {
+        if(epub_file_match(book) == true) {
+            // Parsing ePUBs with epub2txt, thanks to GitHub:kevinboone
+            QString epubProg ("sh");
+            QStringList epubArgs;
+            epubArgs << "/mnt/onboard/.adds/inkbox/epub.sh" << book;
+            QProcess *epubProc = new QProcess();
+            epubProc->start(epubProg, epubArgs);
+            epubProc->waitForFinished();
+
+            is_epub = true;
+            booktostr_ran = true;
+        }
+        else {
+            // This is likely not an ePUB.
+            // Copying book specified in the function call
+            QFile::copy(book, "/inkbox/book/book.txt");
+
+            is_epub = false;
+            booktostr_ran = true;
+        }
+    }
+
+    // Checking if the user has defined an option for the number of words per page; if not, then setting the default.
+    QDir::setCurrent("/mnt/onboard/.adds/inkbox");
+    string_checkconfig(".config/07-words_number/config");
+    if(checkconfig_str_val == "") {
+        string_writeconfig(".config/07-words_number/config", "100");
+        string_checkconfig(".config/07-words_number/config");
+    }
+
+    // Parsing file
+    if(parser_ran != true) {
+        if(is_epub == true) {
+            QString parse_prog ("python3");
+            QStringList parse_args;
+            parse_args << "split.py" << checkconfig_str_val;
+            QProcess *parse_proc = new QProcess();
+            parse_proc->start(parse_prog, parse_args);
+            parse_proc->waitForFinished();
+            parser_ran = true;
+        }
+        else {
+            QString parse_prog ("python3");
+            QStringList parse_args;
+            parse_args << "split-txt.py" << checkconfig_str_val;
+            QProcess *parse_proc = new QProcess();
+            parse_proc->start(parse_prog, parse_args);
+            parse_proc->waitForFinished();
+            parser_ran = true;
+        }
+    }
+
+    // Changing current working directory
+    QDir::setCurrent("/inkbox/book");
+
+    // Reading file
+    if(run_parser == true) {
+        QDirIterator it("/inkbox/book/split");
+        while (it.hasNext()) {
+              QFile f(it.next());
+              f.open(QIODevice::ReadOnly);
+              content << f.readAll();
+              f.close();
+        }
+        return content.size();
+        QDir::setCurrent("/mnt/onboard/.adds/inkbox");
+    }
+    else {
+        ittext = content[i];
+        QDir::setCurrent("/mnt/onboard/.adds/inkbox");
+    }
+    return 0;
+}
+
 void reader::on_nextBtn_clicked()
 {
     if(split_total - 1 == 1 or split_total - 1 == 0) {
@@ -908,7 +1003,7 @@ void reader::batteryWatchdog() {
 }
 
 void reader::openLowBatteryDialog() {
-    reader_static::batteryAlertLock = true;
+    global::battery::batteryAlertLock = true;
 
     generalDialogWindow = new generalDialog(this);
     generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
@@ -917,7 +1012,7 @@ void reader::openLowBatteryDialog() {
 }
 
 void reader::openCriticalBatteryAlertWindow() {
-    global_static::battery::showCriticalBatteryAlert = true;
+    global::battery::showCriticalBatteryAlert = true;
 
     alertWindow = new alert(this);
     alertWindow->setAttribute(Qt::WA_DeleteOnClose);
diff --git a/reader.h b/reader.h
index e49a7b6..b71a881 100644
--- a/reader.h
+++ b/reader.h
@@ -15,10 +15,6 @@
 
 using namespace std;
 
-namespace reader_static {
-    static bool batteryAlertLock = false;
-}
-
 namespace Ui {
 class reader;
 }
@@ -67,7 +63,8 @@ public:
     QList<QString> content;
     explicit reader(QWidget *parent = nullptr);
     ~reader();
-    int setup_book(QString book, int i, bool run_parser) {
+    int setup_book(QString book, int i, bool run_parser);
+    /*int setup_book(QString book, int i, bool run_parser) {
         // Parse ebook
         if(remount != false) {
             QString mount_prog ("sh");
@@ -161,7 +158,7 @@ public:
             QDir::setCurrent("/mnt/onboard/.adds/inkbox");
         }
         return 0;
-    }
+    }*/
     void checkwords() {
         QFile words_list(".config/06-words/config");
         words_list.open(QIODevice::ReadWrite);
diff --git a/resources/battery_alert.png b/resources/battery_alert.png
new file mode 100644
index 0000000..341e75f
Binary files /dev/null and b/resources/battery_alert.png differ