The Missing Mongoose — Ursula Dubosarsky

It's a national emergency! A rare and extremely valuable mongoose is missing and the legendary Buenos Aires zoo is in chaos. But with rabbits in the Tigers' Taj Mahal and hippos in Panda's Palace, the zoo is a very confusing place. Coco may be the Chief of Police, but solving crimes can be very stressful. Only the calming presence of his brainy cousin Alberta can help. Can Alberta and Coco follow the clues and deduce the whereabouts of the missing mongoose?