Calling all geniuses, scientists, secret agents, sudoku masters, road trippers, and grossers-out! Our Brainiac activity book/journal series is just for you! Sharpen your wits with these six compendiums of fun, each chock-full of lively (and educational) activities and puzzles. And each comes with a little something extra: a pen, or a pencil, or even pretend poop! Durable hardcover binding holds up through rainy weekends and long road trips. 7-1/4" wide x 8-1/4" high; 128 pages.