Reef Smart Guides Barbados: Scuba Dive. Snorkel. Surf. (Best Diving Spots in the Caribbean's Barbados) Otto Wagner, Peter McDougall, Ian Popple
Reef Smart Guides หนังสือตามลำดับ
- Reef Smart Guides Grand Cayman: (Best Diving Spots) Otto Wagner, Peter McDougall, Ian Popple
- Reef Smart Guides Northwest Florida: (Best Diving Spots in NW Florida) Otto Wagner, Peter McDougall, Ian Popple
- Reef Smart Guides Beneath the Blue Planet: A Diver’s Guide to the Ocean and Its Conservation (Gift for Scuba Divers, Snorkelers, and Travelers) Otto Wagner, Peter McDougall, Ian Popple, Alex Brylske
- Reef Smart Guides Curaçao: (Best Diving and Snorkeling Spots in Curaçao) Otto Wagner, Peter McDougall, Ian Popple
- Reef Smart Guides Florida: Fort Lauderdale, Pompano Beach and Deerfield Beach: Scuba Dive. Snorkel. Surf. (Best Diving Spots in Florida) Otto Wagner, Peter McDougall, Ian Popple
- Reef Smart Guides Florida: Palm Beach: Scuba Dive. Snorkel. Surf. (Some of the Best Diving Spots in Florida) Otto Wagner, Peter McDougall, Ian Popple
