THE MYSTERY OF THE MISSING MARVIN
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YAOW! Marvin is missing! And there's only one place he could be - THE BOTTOM OF THE EARTH! Join Wilf and Willow on an unapologetically musical adventure to Antarctica as they search high and low for their Giant African Land Snail, with the help of a mysterious narwhal, Mr Plumpy. Will they find Marvin? Can Mr Plumpy be trusted? And what REALLY lies at the bottom of the Earth?