DEPTH Blog

The most useful snippets from our authors, all in one place. DEPTH discusses topics of diving, equipment and environment, physics and physiology, technique and technology, and hyperbarics.

Selecting the Characters for Harry Hawksbill Helps His Friends

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Author Paul Mila, wrote Harry Hawksbill Helps His Friends to impart both a social message for young children and also to teach them about sea life.

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