Here at Mental Floss, we're big fans fun facts and all things trivia. We learned a lot from reading National Geographic Kids’s book 5,000 Awesome Facts (About Everything!) 2. If you need a great ...

Other facts that intrigued the 8-year-old, who couldn’t put the book down as soon as the review copy came home: — Fingernails are made from the same substance as a bird’s beak (gross).

If you’re looking for something to both teach and entertain your kid, Popular Mechanics just released The Big Little Book of Awesome Stuff: 300 Wild Facts, Fun Projects & Amazing Tricks.