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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.

Reviews

A great book for young boys who are just beginning to get into reading, introducing them to a different writing style with enriching language. This series of books is refreshing ... an enjoyable read.
Writeaway websire
There's plenty of action and adventure ... well-written ... a series to immerse yourself in
The Bookbag