Thanks. Got it. Ran it. Here's what it shows me, but the text editor still shows that it contains EBOK . . .
Database Name: The_Voyage_of_the_Beagle
Version: 0
Type: BOOK
Creator: MOBI
Seed: 1037
Resdb:
AppInfoDirty:
ctime: -753242554 - Sun Jan 0 00:00:00 1900
mtime: -753242554 - Sun Jan 0 00:00:00 1900
baktime: -2082844800 - Sun Jan 0 00:00:00 1900
---------------------------------------------------
FIRST IMG Record Id: 812
WARNING: Record 832 - Image data size might be too large: 65355
---------------------------------------------------
Image record index: 406 (322 x 239)
START IMAGE INDEX: 406
COVER IMAGE INDEX: 406
PDHEADER Version: 2
PDHEADER Length: 1639727
PDHEADER NRecords: 401
PDHEADER Recsize: 4096
PDHEADER Unknown: 0
MOBIHEADER ciflg: 1
MOBIHEADER ciptr: 515
MOBIHEADER doctype: MOBI
MOBIHEADER length: 232
MOBIHEADER booktype: 2 - BOOK
MOBIHEADER codep: 65001
MOBIHEADER uniqid: 2091489388
MOBIHEADER ver: 6
MOBIHEADER exthflg: 80
MOBIHEADER language: 9 - 9 - 0 - ENGLISH -
COVEROFFSET: 56
THUMBOFFSET: 57
EXTH doctype: EXTH
EXTH length: 316
EXTH n_items: 15
EXTH item: 100 - Author - 14 - Charles Darwin
EXTH item: 105 - Subject - 6 - [PDOC]
EXTH item: 106 - PublishingDate - 25 - 2003-02-01 00:00:00-05:00
EXTH item: 108 - Contributor - 43 - calibre (0.8.28) [
http://calibre-ebook.com]
EXTH item: 113 - ASIN - 36 - bc801225-f761-45c7-8e9d-25328648d231
EXTH item: 116 - StartReading - 4 -