"...Made my head hurt! - Isaac Newton..Doesn't bug me! - Grace Hopper..Rang my chimes! - Alexander Graham Bell These innovative, witty, and utterly outrageous brainbusters engage reasoning power while honing problem-solving skills. Beginning with easier puzzles, then getting progressively harder, this tantalizing collection will increase brain power with each puzzle conquered. Also included is a special Solutions section that gives a detailed answer to each brainbuster."