This book introduces the reader to the fast-growing outdoor sport of geocaching, which combines aspects of treasure hunting, high-tech navigation, and exploration.New to this book:--Updates to technology and use of social media. --Full chapter on smartphone apps.--Updates to photographyshowing more technology and diversity of participants.--Mention of National and State Parks, which are now promoting geocaching.--Updates to swag, with official geocaching containers, special edition coins, and micro containers, etc.
