This revised edition surveys key aspects of rays, describing these flat-bodied fish's appearance, behaviors, and habitats. A folk tale explains why rays' fins look like wings.

"This revised edition surveys key aspects of koalas, describing these tree-climbing marsupials' appearance, behaviors, and habitats. A folk tale explains why koalas do not have tails."--

A basic exploration of the appearance, behavior, and habitat of sharks, the feared fishes of the sea. Also included is a story from folklore explaining why sharks have a bump on their heads.

"A basic exploration of the appearance, behavior, and habitat of crocodiles, a family of sharp-toothed reptiles. Also included is a story from folklore explaining why crocodiles have rough skin"--Provided by publisher.

"A basic exploration of the appearance, behavior, and habitat of monkeys, a family of tree-climbing mammals. Also included is a story from folklore explaining why monkeys look like people"--Provided by publisher.

"An examination of the various types of waste produced by people, exploring how much of it exists and where it goes, as well as how waste can be remade into useful items to contribute to a healthier planet"--Provided by publisher.

"A narrative guide to training horses, from where to work with the animals, when to begin training, which skills can be taught, and what to wear and expect as you perform daily tasks"--

"A simple introduction to the Scandinavian warriors known as Vikings, including their history, lifestyle, weapons, and how they remain a part of today's culture through books and films"--Provided by publisher.

"A basic exploration of the appearance, behavior, and habitat of rhinoceroses, the famously horned animals. Also included is a story from folklore explaining why rhinos have bumpy skin"--Provided by publisher.

"An examination of the environmental threats an unsustainable human population presents, exploring the effects of pollution and overcrowding, as well as how people can contribute to a healthier planet"--Provided by publisher.