National Geographic Kids Why?: Over 1,111 Answers to Everything
(National Geographic Kids)

The concept is simple. Got a question? Well now you have an answer! 1,111 of them, in fact. Want to know why your snot is yellow? Flip to the human body chapter. What's on the inside of a turtle shell? The animal section's got you covered. What's in the deepest part of the ocean? Why doesn't Earth just float off into space? Check, check, and check. With hundreds of topics ranging from silly to serious, we've got the expert information you need in a fun and entertaining format that will keep kids digging for answers. Answers include all kinds of fascinating extra info like top ten lists, weird-but-true facts, explorer profiles, and cool activities. Now, go stump your parents!