"Journey into rainforests, across grassy plains, and up snowy mountains to meet the extraordinary monkeys and apes that live there. From the tiny pygmy marmoset to the huge Western lowland gorilla, this book showcases some of the world's most extraordinary monkeys and apes . . . meet the acrobatic Siamang gibbon, the owl monkey that only comes out at night, and the clever orangutan that makes its own tools"--Provided by publisher.