Information from PDF, ePub/Nook, & Kindle versions borrowed from public library through Overdrive.com on 2016-02-03.
ePub & Kindle versions give ISBN of 9781101028797, mention Ace mass-market edition / April 2009, and say "Version_3" at bottom of copyright page. PDF version gives ISBN of 1-101-02599-9, does not mention print edition, has no version number. No printing number line in any format.
No pictorial cover included in actual e-book - "cover" just reproduces the title page. Bookseller sites and e-book readers may associate the ebook with a cover, probably the same one as the print version.
Originally released on 2009-03-31 in Kindle/Mobipocket, Microsoft Reader, Adobe reader/PDF, and eReader/Palm formats for $7.99 per archived publisher's site and Amazon.com.
Different formats had different ISBNs: Microsoft Reader 9781101025291, Adobe Reader/PDF 9781101025994, eReader 9781101026694, Mobipocket 9781101028094, per archived Diesel ebooks (click on Details tab).
ePub/Nook and current Kindle version under ISBN 9781101028797 apparently released later, sometime in 2010. Not shown on archives of Diesel ebook as of 2010-03-23, is shown as of 2010-09-06.
