Manual of Freediving: Underwater on a Single Breath

Not the easiest book to read - but essential reading for anyone with the slightest interest in snorkelling and/or free-diving - from one who did exactly what he set out to do... One caveat - read and absorb the content of this worthy tome, then go and Complete a free-diving course before trying any deeper breath-hold dives in open water.

This is pretty much the definitive guide to freediving.The second edition has a bunch more content and is the perfect book to read on the subject for both novices and experienced freedivers.Umberto is a legend in the community so you're in good hands here, definitely worth the purchase!

Technique of deep diving holding your breath

Fantastic guide gives you the basics on to get your training off the ground.