Includes challenging routes to Niagara Falls, Antarctica, Death Valley, Old Faithful, the Sahara Desert, the Galapagos Islands, a huge meteor crater in Arizona and 29 other phenomena.

Edwin Tenney Brewster was an American physicist and popular science writer. Natural Wonders is a partly illustrated book for both adults and children, presenting numerous cases of how animals are born.

Forty mazes with geometric trickery.

Who knew that being invaded by aliens could be so much fun? Kids can help wacky extraterrestrials find the United Nations, capture a runaway brain, and more. 33 mazes plus solutions.

Featuring a graphic excellence that makes them a pleasure to solve, these challenging mazes will test the patience and ingenuity of puzzle lovers of all levels of expertise. Find the center of a giant dice cube, reach mid-point of interlocking squares, navigate an ocean of raindrops, and more. Complete solutions are included.

Little buccaneers will discover a treasure trove of spooky fun with this collection of easy-to-follow mazes. Better than gold bullion, these 36 full-page puzzles will have children coming back for more! Solutions are included.