If you bought an iPhone 5 and wondered where the heck the instruction manual was, well, here it is. Apple’s iPhone User Guide for iOS 6 is a free download in both PDF and iBook (ePub) formats:
You’d think the size of the manual would keep growing with all the added features, but this version has actually shrunk to 156 pages from the previous 179.
If you’re considering buying one of those third-party help books like iPhone 5 for Dummies, you might start here first. Even a grizzled iPhone veteran like myself always finds something new in these manuals.