About the Author Dave Lotz has lived in Guam for over 30 years. His professional career was in park administration with the Guam Department of Parks and Recreation. He has previously written hiking and World War II guidebooks on Guam and the Mariana Islands. Dave has extensive knowledge on the rich cultural and environmental heritage of the islands. Jonathan Lotz was raised on Guam and shares his father's interest in the islands. He currently is a student at Iowa State University.