A Geocaching Book. Geocaching is an increasingly popular outdoor activity that combines high-tech navigation with treasure hunting. Because players hide and seek the treasures; we’ve created a collection of “devilish” caches to make the hunt a more challenging and rewarding experience. Get creative...

Professional rebreather diving instructor Jill Heinerth helps divers navigate the complex, and sometimes intimidating world of rebreather diving. Providing clear, candid and straightforward information based on her decades of exploration and teaching experience, Jill leads readers through the histor...

This book introduces the reader to the fast-growing outdoor sport of geocaching, which combines aspects of treasure hunting, high-tech navigation, and exploration.