Several book listings at Amazon.co.uk may suggest that Mac OS X Lion will ship in late July or early August. Mac OS X Lion For Dummies and Mac OS X Lion All-in-One For Dummies are both allegedly shipping on July 28th, despite the fact that Apple has not set a firm release date for its software. Mac OS X Lion Bible and Teach Yourself Visually Mac OS X Lion are due on July 29th, while Mac OS X Lion Portable Genius is targeted at August 5th, and Mac OS X Lion Simplified is set to arrive August 26th.