Get volumes 4, 5, and 6 of the incredibly popular Weird but True! series in one out-of-this-world collector's set, featuring three times the trivia and eye-popping photos! At last, all those weird-but-true facts that kids love are collected in this fun-tastic set of compact books. Fascinating information and lively art combine to make irresistible brain candy for young readers. Kids will have such a good time that they won't even realize they're learning!   Did you know that lemons can power lightbulbs, or that some goats climb trees? The creators of National Geographic Kids, the nation's most popular kids' magazine, present the second Weird but True! Collector's Set. Its 900 wacky, wild, mind-bending facts cover everything on Earth and beyond, including animals, food, science, pop culture, outer space, geography, weather, and more! They will so wow family and friends that you won't be able to stop turning the pages of this brainteasing treat.