The author of the best-sellingReal Life Math Mysteries offers students more close encounte...

The author of the best-sellingReal Life Math Mysteries offers students more close encounte...

Zookeeper, horse stable owner, archaeologist, lawyer, pilot, fireman, newspaper editor, dairy far...

Zookeeper, horse stable owner, archaeologist, lawyer, pilot, fireman, newspaper editor, dairy far...

In this updated edition of It's Alive!, the kind of gooey, slimy, weird, and disgusting science f...

The author of the best-selling Real Life Math Mysteries offers students more close encounters wit...

The authors, junior high students and best friends David and Asa, along with best-selling author ...

Written by two junior high students with bestselling author Marya Washington Tyler, you can't fin...

'A kid's answer to the question, 'What will we ever use this for?' This is real math shared by re...