{"product_id":"essentials-of-cave-diving-fourth-edition-9781940944265","title":"Essentials of Cave Diving: Fourth Edition","description":"Cave diving has been called the most dangerous participatory sport in the world. It doesn't have to be. With proper training, experience, and guidance, you can be a skilled cave diver and enjoy this challenging and rewarding activity for a lifetime. With decades of technical diving instructor experience, including world record cave dives, and paradigm-changing underwater exploration, Scuba Diving Hall of Fame Inductee and Canadian Explorer-in-Residence Jill Heinerth has created this contemporary cave diving instructional guidebook. Generously illustrated, \"The Essentials of Cave Diving - 4th Edition\" contains practical, 21st century underwater knowledge, including sidemount techniques and the latest in rebreather technology. Encompassing all levels of cave diving, from entry-level to expert, this manual is an essential tool; appropriate and relevant to all cave training disciplines.\u003cbr\u003e","brand":"Heinerth Productions Inc.","offers":[{"title":"Default Title","offer_id":50494448271634,"sku":"9781940944265","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_7e08ab6d-e231-45d6-933a-9e36fc7f6604.jpg?v=1730664696","url":"https:\/\/surprise-castle.myshopify.com\/products\/essentials-of-cave-diving-fourth-edition-9781940944265","provider":"Surprise Castle","version":"1.0","type":"link"}