Amazing journeys and awesome mysteries pair up with animal information kids need and want to know in this unique series combining the best of narrative and reference for readers who want cool subjects as they start to read on their own. During summer vacations, cousins Luke and Sarah help out at their grandparents' petting zoo. But what happens when the animals get loose overnight? Can Luke and Sarah use their knowledge of animals and their problem-solving skills to get the animals back to safety? Perfect for reluctant, challenged, and newly fluent readers (ages 6-10), the Animal Planet Adventures series combines fun animal mysteries with cool nonfiction sidebars that relate directly to the stories, bringing the best of the animal world to young readers. With full-colour illustrations and photographs throughout.