Sammy's back for another crazy adventure in this new novel aimed at the "Wimpy Kid" generation. Ever since Sammy discovered that there are crazier animals in the world than just lemurs and lions, his life has been pretty weird. So when a Mongolian Death Worm turns up at his zoo, he's not that surprised. But the Death Worm has come for a reason and soon Sammy finds himself embroiled in yet another quirky quest.