Walter's Whales

In this fourth and exciting new book in the new Countdown Mysteries™ series, Roly, Nine and Charlie meet Walter, a retired whale watcher. Spotting a strange ship anchored offshore, Walter and the children suspect they may be poachers about to steal a family of baby whales. When Walter disappears the children must find their friend and save the whales. Can the members of D.I.G. save the day before the countdown clock runs out?

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