Technique
Equalisation, buoyancy, streamlining, duck dives and efficient movement.
Request a demonstrationBassel Ounah · The unabridged audiobook
Understand the dive.
Carry the knowledge with you.
Explore the science, techniques and safety principles behind freediving in a structured guide you can listen to and revisit between training sessions.
9 hours 11 minutes · English · Narrated by Andy Robert
Published by Grosvenor House Publishing. Written by freediving instructor-trainer and NSUB founder Bassel Ounah.

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Inside the guide
Equalisation, buoyancy, streamlining, duck dives and efficient movement.
Breath-hold physiology, CO₂ tolerance and oxygen management.
Buddy procedures, risk management, rescue awareness and emergency protocols.
Static, dynamic and depth disciplines, with responsible progression.
Relaxation, focus, mental preparation and respect for personal limits.
Connect theory with the questions you bring to qualified instruction.
Choose your audiobook store
Choose the Audible store that serves your country, or open the Apple Books listing. The audiobook is in English across these listed stores.
Retailers handle checkout and delivery. Check the price, local availability and any subscription terms before buying. The links above are for the audiobook, rather than the ebook edition.
About the author
Bassel connects freediving instruction with ocean understanding and immersive learning through Apnea Zone and Neptune’s Submerge. This guide brings his freediving teaching focus into a format you can return to at your own pace.
Meet the NSUB founder →The audiobook explains the principles. Freedive CO₂: Apnea Trainer is a separate Android product offering guided dry breath-hold sessions and progress tracking.
Listen away from water when your full attention is needed for safety. An audiobook or app does not replace qualified instruction or an attentive trained buddy. Never practise breath-holding alone in water or intentionally hyperventilate.
Beginners preparing for a freediving course, certified freedivers revisiting theory and instructors looking for a structured reference. It covers technique, physiology, training, mental preparation and safety.
The unabridged English-language audiobook runs for 9 hours 11 minutes and is narrated by Andy Robert. Bassel Ounah is the author; Grosvenor House Publishing is the publisher.
Yes. Play the free 80-second sample on this page, then choose a retailer for the full audiobook.
Use the regional Audible links or the Apple Books UK listing below. Prices, availability, membership options and payment terms depend on the store and your country.
The audiobook and Freedive CO₂: Apnea Trainer are separate products. The book explains freediving theory; the Android app supports structured dry breath-hold practice. Check each product’s own listing for purchase terms.
Freediving Fundamental Guide
Start with the free sample, then choose the store and purchase terms that suit you.