Ms. Hansen and the Explorers are very interested in learningthey want to know everything they can about the human body. But they arent alone! The Zelmans, Xeni and Zeno, have come from their planet to learn about Earth's beings too! They travel through the nervous system, into the brain, and onto a neuron to learn how the brain works and all the functions it performs. Come along as the Explorers and their favorite guests tour the human brain. Graphic Planet is an imprint of Magic Wagon, a division of ABDO Publishing Group. Grades 3-6.