Match wits with 12-year-old Einstein Anderson and his best friend, Paloma Fuentes, who use their science knowledge to unravel tricky puzzles and solve mysteries. In Book 5 of the series, Paloma and Einstein use their knowledge about hurricanes and cold blooded animals to solve some tricky cases—and you can build your own barometer or see a frog hibernate. Amaze your friends by balancing a quarter on the edge of a dollar bill!