Peachpit today announced that it has partnered with Apple to publish the “only Apple-authorized books on Tiger — Apple Training Series: Mac OS X Tiger by best-selling author Robin Williams, and Apple Training Series: Getting Started with Mac OS X Tiger by award-winning author Scott Kelby.” The books will allow users to learn Tiger at their own pace in front of their own computers. Mac OS X Tiger by Robin Williams will debut next month, while Getting Started with Mac OS X Tiger by Scott Kelby is expected to arrive in April. Both titles are priced at US$29.95.