Discusses the development of money as a medium of exchange, from early bartering to modern ATM machines.

Wind your way through pages of endless fun! Decode a secret message using the phases of the moon, wind your way through a pizza maze, find hidden presidents, borrow some drachmas, unscramble an invention time line, play super duper tic-tac-toe, classic hangman, match up snowflakes, and more with The Everything Kids’ Puzzle Book ! You can also look for Mervin the Mouse every time you turn the page—he’s watching from his hiding place to help you through this wild and whacky jam-packed puzzle book! Sharpen more than one pencil—there are enough puzzles here to keep you entertained for hours!

Explores the world of insects—where to find them, how to attract them, how to help them grow—and the characteristics of specific kinds of bugs from around the world, and includes related activities and word lists.

Explains how to get started online, covering instant messaging, games, Web sites, and home page construction.

Did you know... The average person eats up to 430 insects a year? Dinosaurs used bad breath as a weapon? A soccer player runs about 7 miles per game? An ear of corn always has an even number of rows? Want to perplex your parents and flabbergast your friends with the who, what, where, why, how, and "yuck!" about the world we live in? Then you need this all-in-one collection of the weirdest, most fascinating, and sometimes just icky truths out there! You will gasp, gag, and giggle at facts Featuring factoids and experiments about almost everything under the sun, this book is perfect for curious kids who won't be satisfied with ordinary truths—after all, the stranger the better!

Offers facts, crafts, games, and experiments about the Sun, Moon, inner planets, outer planets, asteroids and comets, stars and galaxies, space exploration, and life in outer space.

What's it like to wiggle and wind through an intestine, or crawl through a vein in someone's eyeball? The Everything Kids' Mazes Book takes kids on a wild journey exploring everything from skin and scabs to shrunken heads and vomit, frog's legs and fried grubs to exterminators and health inspectors. Kids snake their way