* Deep Diver Manual.
* For the Deep Diver Specialty.
* Techniques for diving in the deeper range of 18-40 metres/ 60-130 feet. 
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* Digital Underwater Photography Manual.
* For the Digital Underwater Photographer Specialty.
* One of the most popular diving specialties. 
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* Physics and decompression theory.
* The aquatic environment and equipment.
* physiology and the recreational dive planner.
 
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* Emergency First Response Primary & Secondary Care Participant Manual. * Gain invaluable skills and techniques for anyone involved in adventure sports. * For anyone with an interest in caring about other people. 
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* Recognize illnesses treatable by emergency oxygen. * Learn how to properly setup oxygen equipment. * Gain the knowledge on how to administer emergency oxygen. 
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* Includes the National Geographic Almanac plus a DVD. * Learn to observe and explore like an underwater scientist. * For divers who are more than tourists, but explorers, adventurers and conservationists. 
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* Night Diver Manual.
* For the Night Diver Specialty.
* See Your Favorite Dive Sites in a Whole New Light while Night Diving. 
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* The Rescue Diver program will build your confidence as a diver.
* It will give you valuable experience in emergency management and prevention.
* Heighten your awareness of the surrounding environment.
 
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* Find lost items and lift them to the surface. * The planning, organisation, procedures, problems, and hazards of search and recovery diving. * Techniques for recoverying objects using lifting devices. 
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* Immerse yourself in the world of technical diving. * Undertake deep decompression dives to 50 meters. * An exhilarating challenge. 
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* The most intensive, yet exhilarating, courses you'll find. * One of the most rewarding dive experiences you'll ever have. * Takes you to the outer edges of technical deep diving. 
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* Fun facts for all water enthusiasts.
* The latest information about the aquatic world.
* Hundreds of color images and illustrations.
 
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* Learn about aquatic ecosystems. * Develop safe and responsible aquatic life interaction techniques. * An introduction to the underwater aquatic environment. 
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* Be the diver everyone wants to follow. * Instruction on navigational techniques using a compass and other navigational instruments. * Learn natural navigation and navigational patterns. 
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* Wreck Diver Manual.
* For the Wreck Diver Manual.
* Learn the ins and outs of rewarding, responsible wreck diving. 
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