Help! A mad scientist has unleashed a throng of deadly robots on the world--and only by joining the characters and solving every one of these science-based puzz

Help! A mad scientist has unleashed a throng of deadly robots on the world--and only by joining the characters and solving every one of these science-based puzz

Help! A mad scientist has unleashed a throng of deadly robots on the world--and only by joining the characters and solving every one of these science-based puzz

The author of Science Puzzles for Young Einsteins (40,000 sold) serves up another helping of puzzle fun for kids. And children will really enjoy these, because

What summer month has no major holidays? Which Australian critters live on eucalyptus leaves? In connection with Mensa, renowned author Helene Hovanec--the crea