diff --git a/README.md b/README.md
index 2d53bc0..2ff3f42 100644
--- a/README.md
+++ b/README.md
@@ -122,7 +122,7 @@ Options:
                         Comic title [Default=filename or directory name]
     -f FORMAT, --format=FORMAT
                         Output format (Available options: Auto, MOBI, EPUB,
-                        CBZ, KFX) [Default=Auto]
+                        CBZ, KFX, MOBI+EPUB, KFX+EPUB) [Default=Auto]
     -b BATCHSPLIT, --batchsplit=BATCHSPLIT
                         Split output into multiple files. 0: Don't split 1:
                         Automatic mode 2: Consider every subdirectory as
diff --git a/kindlecomicconverter/KCC_gui.py b/kindlecomicconverter/KCC_gui.py
index d3a1a8b..8e89d10 100644
--- a/kindlecomicconverter/KCC_gui.py
+++ b/kindlecomicconverter/KCC_gui.py
@@ -116,6 +116,10 @@ class Icons:
         self.EPUBFormat.addPixmap(QtGui.QPixmap(":/Formats/icons/EPUB.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
         self.KFXFormat = QtGui.QIcon()
         self.KFXFormat.addPixmap(QtGui.QPixmap(":/Formats/icons/KFX.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.MOBIEPUBFormat = QtGui.QIcon()
+        self.MOBIEPUBFormat.addPixmap(QtGui.QPixmap(":/Formats/icons/MOBI.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.KFXEPUBFormat = QtGui.QIcon()
+        self.KFXEPUBFormat.addPixmap(QtGui.QPixmap(":/Formats/icons/KFX.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
 
         self.info = QtGui.QIcon()
         self.info.addPixmap(QtGui.QPixmap(":/Status/icons/info.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
@@ -315,8 +319,7 @@ class WorkerThread(QtCore.QThread):
             jobargv = list(argv)
             jobargv.append(job)
             try:
-                comic2ebook.options = copy(options)
-                comic2ebook.checkOptions()
+                comic2ebook.options = comic2ebook.checkOptions(copy(options))
                 outputPath = comic2ebook.makeBook(job, self)
                 MW.hideProgressBar.emit()
             except UserWarning as warn:
@@ -361,7 +364,7 @@ class WorkerThread(QtCore.QThread):
                     MW.addMessage.emit('Creating CBZ files... <b>Done!</b>', 'info', True)
                 else:
                     MW.addMessage.emit('Creating EPUB files... <b>Done!</b>', 'info', True)
-                if str(GUI.formatBox.currentText()) == 'MOBI/AZW3':
+                if str(GUI.formatBox.currentText()) == 'MOBI/AZW3' or str(GUI.formatBox.currentText()) == 'MOBI+EPUB':
                     MW.progressBarTick.emit('Creating MOBI files')
                     MW.progressBarTick.emit(str(len(outputPath) * 2 + 1))
                     MW.progressBarTick.emit('tick')
@@ -1064,8 +1067,8 @@ class KCCGUI(KCC_ui.Ui_mainWindow):
                 GUI.deviceBox.addItem(self.icons.deviceKobo, profile)
             else:
                 GUI.deviceBox.addItem(self.icons.deviceKindle, profile)
-        for f in ['MOBI/AZW3', 'EPUB', 'CBZ', 'KFX']:
-            GUI.formatBox.addItem(eval('self.icons.' + f.replace('/AZW3', '') + 'Format'), f)
+        for f in ['MOBI/AZW3', 'EPUB', 'CBZ', 'KFX', 'MOBI+EPUB', 'KFX+EPUB']:
+            GUI.formatBox.addItem(eval('self.icons.' + f.replace('/AZW3', '').replace('+', '') + 'Format'), f)
         if self.lastDevice > GUI.deviceBox.count():
             self.lastDevice = 0
         if profilesGUI[self.lastDevice] == "Separator":
diff --git a/kindlecomicconverter/comic2ebook.py b/kindlecomicconverter/comic2ebook.py
index aacc808..c42824f 100755
--- a/kindlecomicconverter/comic2ebook.py
+++ b/kindlecomicconverter/comic2ebook.py
@@ -68,7 +68,7 @@ def main(argv=None):
     for source in sources:
         source = source.rstrip('\\').rstrip('/')
         options = copy(optionstemplate)
-        checkOptions()
+        options = checkOptions(options)
         if len(sources) > 1:
             print('Working on ' + source + '...')
         makeBook(source)
@@ -925,7 +925,8 @@ def makeParser():
     outputOptions.add_option("-t", "--title", action="store", dest="title", default="defaulttitle",
                              help="Comic title [Default=filename or directory name]")
     outputOptions.add_option("-f", "--format", action="store", dest="format", default="Auto",
-                             help="Output format (Available options: Auto, MOBI, EPUB, CBZ, KFX) [Default=Auto]")
+                             help="Output format (Available options: Auto, MOBI, EPUB, CBZ, KFX, MOBI+EPUB, KFX+EPUB) "
+                                  "[Default=Auto]")
     outputOptions.add_option("-b", "--batchsplit", type="int", dest="batchsplit", default="0",
                              help="Split output into multiple files. 0: Don't split 1: Automatic mode "
                                   "2: Consider every subdirectory as separate volume [Default=0]")
@@ -972,11 +973,17 @@ def makeParser():
     return psr
 
 
-def checkOptions():
-    global options
+def checkOptions(options):
     options.panelview = True
     options.iskindle = False
     options.bordersColor = None
+    options.keep_epub = False
+    if options.format == 'MOBI+EPUB':
+        options.keep_epub = True
+        options.format = 'MOBI'
+    if options.format == 'KFX+EPUB':
+        options.keep_epub = True
+        options.format = 'KFX'
     options.kfx = False
     if options.format == 'Auto':
         if options.profile in ['K1', 'K2', 'K34', 'K578', 'KPW', 'KPW5', 'KV', 'KO']:
@@ -1032,6 +1039,7 @@ def checkOptions():
         image.ProfileData.Profiles["Custom"] = newProfile
         options.profile = "Custom"
     options.profileData = image.ProfileData.Profiles[options.profile]
+    return options
 
 
 def checkTools(source):
@@ -1166,7 +1174,8 @@ def makeBook(source, qtgui=None):
 
 
 def makeMOBIFix(item, uuid):
-    os.remove(item)
+    if not options.keep_epub:
+        os.remove(item)
     mobiPath = item.replace('.epub', '.mobi')
     move(mobiPath, mobiPath + '_toclean')
     try: