Croak
 

LENGTH:
Takes an average reader a little over a half hour to get to the "solve-it" page.

WHAT'S IT ABOUT?
Frog extinctions! In your home town!

IS IT SUSPENSEFUL?
Oh yeah. Especially because once you submit your answer, you won't know if you're right for a week! (We email the answer a week later, to enhance classroom usefulness)

THEMES:
When it comes to ecology and life science curricula, "Croak" has got it all - ecosystems, predation, pollution, exotic invaders, and mysteriously dead pets. And it's presented in an inquiry-based format that tests your problem solving skills and deductive reasoning! Won't your teacher be pleased!

IS IT WORTH DOING?
This is far and away our most popular mystery. Save the Frogs!