Basher continues his series of science primers that are so entertaining, kids may read them for fun, beyond the classroom walls. . . .the authors blend a surprising wealth of facts into the chatty, humorous text, which is filled with analogies kids can relate to. A hot spot in the earth’s mantle, for example, is “like a huge, angry pimple on Earth’s face. . . . ” the highly approachable language, animated cast of characters, awe-inspiring facts, and conservation messages make this an appealing starting point for students seeking basic earth-science information.