What If? Serious Scientific Answers to Absurd Hypothetical Questions
by Randall Munroe
Nonfiction · age 10+ · 1050L (~7th–8th grade) · 303 pages · 2014
Why we'd hand it over
The most fun a kid can have learning real science — Munroe answers questions like 'what if everyone on Earth jumped at once' with genuine physics, and the stick-figure illustrations make complex ideas instantly graspable.