Books from
Lonely Planet

Lonely Planet Series includes books on:

Guan&Yap, Cuba, Cozumel, Philippines, Chuuk, Papua New Guinea, Red Sea, etc.

Diver Guides      

Sussex, Cornwall, Wight & Hampshire, Kent, plus many others.

Snorkelling 

Snorkeller’s Guide
Snorkeling for all by B.S.A.C.