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Aquanauts: Book 6
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Meet Crank and Al ... robots on the run.
They arrive at the ancient city of Tarka, a flooded city behind a great wall. Hoping to discover Robotika, where robots can be free, instead they end up trapped between the mysterious underwater Aquanauts and the cruel Crodilus ...
A refreshed cover look for this well-loved series, illustrated by the incomparable Mark Oliver. Read on with The Tin Man, Tunnel Racers, Razorbites, Powerball and The Ghost Sea.