Communicate effectively underwater. Signs create pictures for your mind that represent ideas or objects in a familiar way that can be easily remembered. This book contains 160 signs that will enable the diver to communicate virtually any message needed during a dive. The book is set out in a conveniently indexed format and has a strong plastic cover so that it can be kept in a kit bag without being damaged.
103 pages
10x 16 cms
Plastic cover wire bound
Model: 9780941332385