Sam Decker is offering Apple Developer News (ADN) subscribers a special price on his book "How to Market With Computer User Groups." This book explains how software marketers can tap into computer clubs to build word-of-mouth advertising, leverage user group technical support, and gather valuable feedback on new products.

ADN subscribers can buy a copy of this book at the special price of $15 while supplies last. (That's 25 percent off the regular price of $19.95, and shipping is free.)