Back Cover SummaryEdit

Royal Navy Lieutenant Mike Fraser and Chief Petty Officer Derek Chalmers were frogmen - well used to going on daring solo operations in the murky ocean depths aboard their underwater chariot.

But when an important job to sink a strategically vital battleship went awry in the German-occupied Crimean region of Russia, they found themselves teaming up with a rag-tag guerrilla group in a desperate attempt to complete their mission.

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