another cover vs thumnbail head-scratcher

pargoo · 12-23-2013, 05:53 AM

I just downloaded "God Emperor of Dune", and was surprised to find that although the ebook has a cover - the horrible yellow 'Gateway' one - I am getting only the generic 'Kindle' thumbnail in my Paperwhite, the one with the white panel across the middle. Those who followed the saga of my last thread concerning thumbnails will know things like this tick me off. My final solution last time was to copy a new image into the hidden 'thumbnails' directory from my PC, thus replacing the unwanted thumbnail with a better one. Simple. But GEOD is not generating any thumbnail at all, so I can't use that method. Is there any way I can 'tie' my own thumbnail to that particular ebook 'blind', so to speak?

DiapDealer · 12-23-2013, 06:51 AM

Are you sure the Sigil subforum is the right place for questions about Kindlebook thumbnails?

theducks · 12-23-2013, 10:04 AM

Moving to Kindle. Not a Sigil question.

eschwartz · 12-23-2013, 04:45 PM

Kindle only generates covers for sideloaded pdocs.

Any Kindle Store books it will wait for Amazon to put the thumbnail on.

You can create it yourself, using the following naming format: "thumbnail_{ASIN}_EBOK_portrait.jpg" where {ASIN} is the book's Amazon ID. You can also allow calibre to do the work for you -- any book with a valid amazon mobi-asin calibre will transfer to the Kindle together with its corresponding thumbnail. The thumbnail calibre generates wil be based on the calibre cover, not the one in the mobi/azw3, and as an added bonus, if the book is in KF8 format, calibre can update that cover inside the book too!

pargoo · 12-23-2013, 09:41 PM

Eschwarts: thank you for your reply! That was what I needed to know. Did NOT know that the thumbnail's name was in fact the ASIN. This how we learn, kids!

12-23-2013, 05:53 AM	#1
pargoo Member Posts: 18 Karma: 10 Join Date: Oct 2013 Location: Melbourne, Australia Device: kindle paperwhite v2	another cover vs thumnbail head-scratcher I just downloaded "God Emperor of Dune", and was surprised to find that although the ebook has a cover - the horrible yellow 'Gateway' one - I am getting only the generic 'Kindle' thumbnail in my Paperwhite, the one with the white panel across the middle. Those who followed the saga of my last thread concerning thumbnails will know things like this tick me off. My final solution last time was to copy a new image into the hidden 'thumbnails' directory from my PC, thus replacing the unwanted thumbnail with a better one. Simple. But GEOD is not generating any thumbnail at all, so I can't use that method. Is there any way I can 'tie' my own thumbnail to that particular ebook 'blind', so to speak?

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12-23-2013, 06:51 AM	#2
DiapDealer Grand Sorcerer Posts: 28,568 Karma: 204127028 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	Are you sure the Sigil subforum is the right place for questions about Kindlebook thumbnails?

12-23-2013, 10:04 AM	#3
theducks Well trained by Cats Posts: 31,047 Karma: 60358908 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	Moving to Kindle. Not a Sigil question.

12-23-2013, 04:45 PM	#4
eschwartz Ex-Helpdesk Junkie Posts: 19,421 Karma: 85400180 Join Date: Nov 2012 Location: The Beaten Path, USA, Roundworld, This Side of Infinity Device: Kindle Touch fw5.3.7 (Wifi only)	Kindle only generates covers for sideloaded pdocs. Any Kindle Store books it will wait for Amazon to put the thumbnail on. You can create it yourself, using the following naming format: "thumbnail_{ASIN}_EBOK_portrait.jpg" where {ASIN} is the book's Amazon ID. You can also allow calibre to do the work for you -- any book with a valid amazon mobi-asin calibre will transfer to the Kindle together with its corresponding thumbnail. The thumbnail calibre generates wil be based on the calibre cover, not the one in the mobi/azw3, and as an added bonus, if the book is in KF8 format, calibre can update that cover inside the book too!

12-23-2013, 09:41 PM	#5
pargoo Member Posts: 18 Karma: 10 Join Date: Oct 2013 Location: Melbourne, Australia Device: kindle paperwhite v2	Eschwarts: thank you for your reply! That was what I needed to know. Did NOT know that the thumbnail's name was in fact the ASIN. This how we learn, kids!

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