Complete newbie to epub/opf question

PeterHanes · 11-26-2010, 01:06 PM

Hello, I was hoping someone could help me out here, forgive me if these questions seem vague or obvious, I'm learning as I go and found this forum through some searching on the topic.

I work for a book publisher and we are starting to get into e-books. We recently had a title printed and in the job quote they asked if we wanted an epub version of the same title, we said "sure". We got the file back and it looks great, problem is, it has the same ISBN assigned to the metadata that the print version has, we have to assign a different ISBN to any version of a title and the epub was asked for before we knew this. I was told that you can crack open the opf file and manually change the ISBN in there, so when we send it out to retailers, it won't be confused with the print version. Problem is, I have no idea how to do that. I've gotten as far as opening the epub file with winrar, and seeing the opf file, I can open it up but I can't edit it. How can I get around this? Any help or guidance is much appreciated. Thank you.

SkyDream · 11-26-2010, 01:18 PM

Have you tried Sigil the free ePub Editor.
I'm using Sigil to modify various tags.

Update:
1) Start Sigil, open epub.
2) Select Extra-> Meta Editor or F8
3) Select <More>
4) If no ISBN field -> select <Add Basic>, add ISBN field
5) Modify ISBN-field
6) Save epub

PeterHanes · 11-26-2010, 01:53 PM

I haven't tried that program yet, will try it out now, thanks very much.

wannabee · 11-27-2010, 05:01 AM

How did you get on Pete?

11-26-2010, 01:06 PM	#1
PeterHanes Junior Member Posts: 2 Karma: 16 Join Date: Nov 2010 Device: none	Complete newbie to epub/opf question Hello, I was hoping someone could help me out here, forgive me if these questions seem vague or obvious, I'm learning as I go and found this forum through some searching on the topic. I work for a book publisher and we are starting to get into e-books. We recently had a title printed and in the job quote they asked if we wanted an epub version of the same title, we said "sure". We got the file back and it looks great, problem is, it has the same ISBN assigned to the metadata that the print version has, we have to assign a different ISBN to any version of a title and the epub was asked for before we knew this. I was told that you can crack open the opf file and manually change the ISBN in there, so when we send it out to retailers, it won't be confused with the print version. Problem is, I have no idea how to do that. I've gotten as far as opening the epub file with winrar, and seeing the opf file, I can open it up but I can't edit it. How can I get around this? Any help or guidance is much appreciated. Thank you.

11-26-2010, 01:18 PM	#2
SkyDream Wizard Posts: 1,377 Karma: 9400 Join Date: Sep 2009 Location: Europe Device: PRS-650, iPod touch 4G, iPad 3	Have you tried Sigil the free ePub Editor. I'm using Sigil to modify various tags. Update: 1) Start Sigil, open epub. 2) Select Extra-> Meta Editor or F8 3) Select <More> 4) If no ISBN field -> select <Add Basic>, add ISBN field 5) Modify ISBN-field 6) Save epub Last edited by SkyDream; 11-26-2010 at 01:23 PM.

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11-26-2010, 01:53 PM	#3
PeterHanes Junior Member Posts: 2 Karma: 16 Join Date: Nov 2010 Device: none	I haven't tried that program yet, will try it out now, thanks very much.

11-27-2010, 05:01 AM	#4
wannabee Media Bloke Posts: 2,381 Karma: 113956855 Join Date: Sep 2010 Location: NSW - Australia Device: iOS	How did you get on Pete?

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