The 3 Volume series is perfect for open water scuba divers. It includes: Scuba Diving Safety by Dan Orr & Eric Douglas; A Medical Guide to Hazardous Marine Life, by Paul Auerbachand; and 101 Tips for Recreational Scuba Divers, Dan & Betty Orr's newest release. Retail price may be found at BestPub.com Distributor pricing may be arranged in person at DEMA booth 2124 or contact epeterson@wchmediagroup.com