Behold the wild world of mammals! How does a platypus fight? Where does a marmot spend the winter? When does a camel need water? Unlock the answer to all these secrets and more in this bilingual (English/Spanish) illustrated guide to the world's most interesting mammals. Fuzzy, scaly, clawed, and finned, mammals can be found in the depths of the ocean and the heights of the mountains. Open Earth: Mammals Unlocked / Tierra abierta: Mamíferos descubiertos introduces young readers to the vastness of the world around them in an easy-to-understand interactive question and answer format. From the humble rat to the mighty mountain lion, every mammal shares three special characteristics. But the similarities aren't always as easy to identify as they seem, and sharing a habitat doesn't mean that mammals will look or act the same. Mammals Unlocked / Mamíferos descubiertos features everyday favorite animals like dogs, whales, and llamas, and some you've never heard of¿the delights of the honey possum and the mysteries of the saola await! The first book in the Open Earth series is a dynamic introduction to the rest of our class and is sure to impress its readers. This comprehensive guide has all the facts a young reader needs to wow their friends, impress their teachers, and even dazzle their dog. Mammals Unlocked / Mamíferos descubiertos is a must-have for any kid who's in love with the wonderful world around them.