Red Kangaroo doesn’t understand why her room always gets so messy! So she seeks out Dr. Chris hoping he can answer her latest question: why is it so hard to keep her room clean? According to Dr. Chris, the answer is as easy as counting! Using Red Kangaroo’s messy room, Dr. Chris explains entropy, the laws of thermodynamics, and includes an introduction to statistical physics. In this new series, Chris Ferrie answers all the questions Red Kangaroo has about what things are made of and how things work using real-world and practical examples. Young readers will receive a firm grasp of scientific and mathematical concepts to help answer many of their “why” questions.