Spearfishing is one of the most rewarding underwater sport activities today. Have you ever wanted to learn to spearfish but thought it might be too difficult? D

This full-color, extensively illustrated revision of a highly respected dive manual includes the information necessary to learn open water diving. Timely discus

Spearfishing is one of the most rewarding underwater sport activities today.Have you ever wanted to learn to spearfish but thought it might be too difficult?Doe

This survival manual is organized as follows: Chapter 1. Introduction Survival Actions Pattern for Survival Chapter 2. Psychology of Survival A Look at Stress N