Covers and thumbnails not matching in Mobipocket Reader

jlmwrite · 02-20-2010, 08:37 PM

I just did a mass conversion on my extensive library in LIT format to MOBI format. I spent hours updating the metadata and covers using calibre.

However... I have about a half-dozen books whose thumbnails don't match their covers. Niggling detail, I know, but still annoying.

No matter how many times I try updating and reconverting those few books, I cannot get the thumbnails to match the covers. Any ideas on how to accomplish this? I looked at mobi2mobi, but am not convinced that's the right thing.

Thanks!

HarryT · 02-21-2010, 02:59 AM

Is the problem that the book contains the wrong thumbnail image, or that Mobi Reader is displaying the wrong thumbnail image?

jlmwrite · 02-21-2010, 08:24 PM

I don't know. Actually, I don't know enough about how the metadata is stored inside the MOBI files to even begin to decide.

What I do know, though, is that of the 200+ books I converted from LIT and then updated the covers, only 6 refuse to display the proper thumbnail. That's why I suspect somehow the thumbnail is fubar'd, rather than being a MobiPocket display issue.

All I have now is calibre and MobiPocket. I don't have any other tools to even check the thumbnail display.

Any other hints?

HarryT · 02-22-2010, 03:09 AM

Get tompe's "mobi2mobi" tools (download here). One of these tools is called "mobi2html", and will expand a Mobipocket book into its source. You can then look at the opf file, see what thumbnail image is referenced, and see if the image is the correct one. If necessary, you can then replace the image and rebuild the book.

02-20-2010, 08:37 PM	#1
jlmwrite Zealot Posts: 143 Karma: 13398 Join Date: Feb 2010 Location: Golden, Colorado Device: Samsung Tab S8.4, Samsung Galaxy S7 Edge	Covers and thumbnails not matching in Mobipocket Reader I just did a mass conversion on my extensive library in LIT format to MOBI format. I spent hours updating the metadata and covers using calibre. However... I have about a half-dozen books whose thumbnails don't match their covers. Niggling detail, I know, but still annoying. No matter how many times I try updating and reconverting those few books, I cannot get the thumbnails to match the covers. Any ideas on how to accomplish this? I looked at mobi2mobi, but am not convinced that's the right thing. Thanks!

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02-21-2010, 02:59 AM	#2
HarryT eBook Enthusiast Posts: 85,544 Karma: 93383043 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	Is the problem that the book contains the wrong thumbnail image, or that Mobi Reader is displaying the wrong thumbnail image?

02-21-2010, 08:24 PM	#3
jlmwrite Zealot Posts: 143 Karma: 13398 Join Date: Feb 2010 Location: Golden, Colorado Device: Samsung Tab S8.4, Samsung Galaxy S7 Edge	I don't know. Actually, I don't know enough about how the metadata is stored inside the MOBI files to even begin to decide. What I do know, though, is that of the 200+ books I converted from LIT and then updated the covers, only 6 refuse to display the proper thumbnail. That's why I suspect somehow the thumbnail is fubar'd, rather than being a MobiPocket display issue. All I have now is calibre and MobiPocket. I don't have any other tools to even check the thumbnail display. Any other hints?

02-22-2010, 03:09 AM	#4
HarryT eBook Enthusiast Posts: 85,544 Karma: 93383043 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	Get tompe's "mobi2mobi" tools (download here). One of these tools is called "mobi2html", and will expand a Mobipocket book into its source. You can then look at the opf file, see what thumbnail image is referenced, and see if the image is the correct one. If necessary, you can then replace the image and rebuild the book.

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