O’Reilly Media has released the US$19.95 “Best iPhone Apps, Second Edition” (http://oreilly.com/catalog/9781449399108) by “New York Times” technology columnist J. D. Biersdorfer, who has hand-pocked more than 200 stand-out apps for the Apple smartphone.

Biersdorfer is the author of “iPad: The Missing Manual,” “iPod: The Missing Manual” and “The iPod Shuffle Fan Book,” and co-author of “The Internet: The Missing Manual” and the second edition of “Google: The Missing Manual.” She has been writing the weekly computer Q&A column for the Circuits section of The New York Times since 1998.