O'Reilly has released "Mac OS X Lion: The Missing Manual" by David Pogue. The 928-page book is the "manual that should have been in the box" -- and is the most thorough source of info on the operating system update around.

The book -- infused withPogue's trademark humor -- is designed to show you how use key new features of Mac OS X 10.7 ("Lion") such as full-screen apps, Mission Control, the new Mac App Store, Launchpad, Resume, Auto Save, Versions, AirDrop, and more. Are you even more of a power user? You can earn to set up a network, make a Lion flash drive, and even learn the basics of Lion's underlying Unix. Pogue also looks at iCloud, Apple's wireless, free syncing service for Macs, PCs, iPhones, and iPads.

"Mac OS X Lion: The Missing Manual" (http://shop.oreilly.com/product/0636920014553.do) costs US$38,9 for a print and ebook version, $34.99 for a print-only version and $27.99 for an ebook edition. There's something new on practically every page of this new edition -- and there's advice that just about any Mac user -- new or experienced -- can benefit from.

Pogue is the weekly personal-technology columnist for the "New York Times" and an Emmy award-winning tech correspondent for "CBS News." With three million books in print, he is also one of the world's bestselling how- to authors. In 1999, he launched his own series of amusing, practical, and user-friendly computer books called Missing Manuals, which now includes 100 titles.