Keith Nobbs

Twelve-year-old identical twins Jay and Ray have long resented that everyone treats them as one person, and so they hatch a plot to take advantage of a clerical error at their new school and pretend they are just one.

As the new Keepers of the School, sixth-graders Ben and Jill must decipher a handful of clues written as maritime riddles to save their school from demolition by a greedy company.

Ted Hammond, the only sixth grader in his small Nebraska town's one-room schoolhouse, searches for clues to the disappearance of a homeless family.

Explores the subtle, secret influences that affect the decisions we make--from what we buy, to the careers we choose, to what we eat. You think that your choices and behaviors are driven by your individual, personal tastes, and opinions. Our own personal thoughts and opinions is patently obvious. Right? Wrong. Other people’s behavior has a huge influence on everything we do, from the mundane to the momentous. Berger integrates research and thinking...

Sixth-grader Alton Ziegler loves maps, and when his portfolio of secret maps is stolen, he begins getting notes with orders that he must obey to get the maps back but, with the help of a popular classmate, he just might succeed before his teacher, principal, or someone else learns he has been studying and mapping things about them.

School protectors Ben, Jill, and Robert leap at a final chance to save their school from being torn down to make room for a seaside amusement park, a demolition that is supported by dastardly janitors Lyman and Wally.

When his older brother gets in serious trouble, sixth-grader Clay decides to change his own mischief-making ways, but he cannot seem to shake his reputation as a troublemaker.