An accurate and up to date ham radio prefix map. Maintained and kept current by experienced DXers. Professional quality offset printing (NOT an inkjet digital print). Highly detailed, with CQ zones, US and Canada call areas, and all current DXCC entities. Updates for 2015: D8A added to Antarctica, d...

Landlubbers joke that sailors are always wanting to head off to the ends of the earth, but Chris Santella takes that life-changing desire very seriously. In this, the third installment in his immensely successful “Fifty Places” series, Santella assembles a crew of the world’s greatest championship r...

Few of us will ever get to Antarctica. The bitter cold and three months a year without sunlight makes the sixth continent virtually uninhabitable for humans. Yet marine biologist James B. McClintock has spent three decades studying the frozen land in order to understand better the world that lies be...

The ultimate global game revealed! The Complete Idiot's Guide(r) to Geocaching, Second Edition is a comprehensive, yet entertaining and easy-to-understand book for getting started and having fun with geocaching-the high-tech version of hide-and-seek for global positioning system (GPS) users. In this...