Scuba Diving Hand Signals: Pocket Companion for Recreational Scuba Divers - Black & White Edition

The Scuba Snobs' Guide To Diving Etiquette: -------

Scuba Diving Log Book: Scuba Diving Journal Notebook, Gifts for Divers

The Professional Diver's Handbook by John Bevan (Paperback, 2011)

Dive Theory for Your Open Water Course: Prepare and spend more time diving and less in the classroom during your diving course for beginners of recreational scuba diving