Max - The Call of the Wild. Book 3 - is the origin story of the boy Max in the series. In a world where natural wonders were fading away, there lived a boy named Max. Unlike the other children in his city, Max possessed an untamed spirit that longed for adventure. One fateful day, he found an old map that led him to a hidden entrance into a sprawling jungle. Come join Max and answer the call of the wild. The Jungle Heroes Book Series - is all about inspiring children to learn about the natural world and the animals that inhabit it. Our book series features male and female superheroes who befriend animals on their visits to jungles. Through their experience of the natural world and animals, the heroes instigate change in their village and city, while commandeering unimaginable feats. Suitable for Children aged 4-14. Give your children a glorious picture child's book to read and get inspired by the Jungle Heroes Series. The book is full of High-quality 3D illustrations, comprising the characters and animals of the jungle.