<span><span>Smart kids read smart books!</span></span><br><span><span></span></span><br><span><span>Keep your kids' brain active with these five clever literature-based, award-winning science and math books. Everyone in the family will love trying to solve these engaging, exciting (and shhh!...educational) brainteasers! Unravel real-life predicaments using everything from decimals to DNA, fractions to fingerprints. Keep the set together or use them as individual gifts.</span></span>