I would price it according to your competition on the internet (assuming this is the method by which you are selling) and depending on condition. For a quick sell, price lowest...you MIGHT be able to list it on Amazon depending on the book, but sounds like this might have been before the ISBN system

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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth