content firstHeading MOBI /firstHeading bodyContent tagline From MobileRead /tagline subtitle /subtitle jumpto Jump to: navigation , search /jumpto bodycontent MOBI is the name given to the format developed for the MobiPocket Reader. It is currently used by Amazon with a slightly different DRM scheme and called AZW . Amazon uses this extension for files created by KindleGen even though they actually have both a MOBI format and a KF8 format inside the same file. 1 Overview 2 Description 2.1 Format 2.1.1 PalmDOC Header 2.1.2 MOBI Header 2.1.3 EXTH Header 2.1.4 Remainder of Record 0 2.1.5 Index meta record 2.1.5.1 TAGX section 2.1.6 Variable-width integers 2.1.7 Trailing entries 2.1.7.1 Multibyte character overlap 2.1.8 PalmDOC Compression 2.1.9 Image Records 2.1.10 Magic Records 2.1.10.1 FLIS Record 2.1.10.2 FCIS Record 2.1.10.3 End-of...