I'm running "97 Things a Project Manager Should Know" iPhone app (on a "New" iPad) - I got to chapter 12 and wanted to go back to the cover so I could show the book to someone else. In short - I can't.
I've managed to get back to the Preface (using the table of contents icon) but every time I try to get to an earlier page the app shuts down.
I'm sorry about the delay in responding to you. I've passed your case over to our book tech department to take a look at it to see if they can help determine a cause and investigate a resolution for you.
You can also contact them directly at firstname.lastname@example.org with any other issues you may be encountering with the book or app.
If you have any further questions or require further assistance,
You can contact us at:
1-707-827-7019 (outside the USA)
7:30 am to 5:00 PST
Customer Service Rep,
The iPhone app ebooks that we sell were a special version of the Stanza ebook reader, which has been discontinued, so there isn't an update to fix that problem.
The work-around to solve the problem would be to extract the ePub file from the app using the instructions in this blog post, and then open in iBooks on your iPad -
If you have trouble with that, please send me a note at email@example.com.
I hope that helps,
O'Reilly Book Support