Google Books is the first major app to be booted from the App Store for not complying with Apple's latest in-app purchases policy. Apple's new rules, which went into affect on June 30, state that no app can provide a link to purchasing additional content outside of Apple's ecosystem.
Unfortunately, Google decided not to remove the link to its own eBooks store from its app, and it is no longer available as a result.
Google's app first hit the App Store in December, and along with Amazon's Kindle, it's one of the major rivals to Apple's own iBookstore. However, whereas Amazon's Kindle and a number of other applications have been updated to comply with Apple's terms, Google has so far decided not to bother...