Mark Powell

'Deco for Divers'

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Fully updated and revised. Award winning Deco for Divers provides a comprehensive overview of the principles underlying decompression theory. Mark Powell has written a book that for the first time allows the average diver to fully understand the principle

'Technical Diving'

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During the last few years technical diving has become much more popular and has moved into mainstream diving. As a result a significant number of recreational divers are moving towards technical diving. Despite this, there are still many misconceptions ab