On a cross-country vacation with their parents, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.

A skateboarding principal offers unusual incentives to his students to motivate them to learn more.

Joe, who loves baseball but is not very good at it, finds a valuable 1909 Honus Wagner baseball card and travels back in time to meet Honus.

Miss Daisy's unusual teaching methods surprise her second grade students, especially reluctant learner A.J.

Eleven-year-old Eddie gets a chance to win a million dollars by sinking a foul shot at the NBA finals.

As their cross-country journey with their parents continues through the Midwest, twins Coke and Pepsi, now thirteen, again face strange assassins at such places as the first McDonald's restaurant and Cedar Point amusement park.

A.J. and his friends are afraid that Ms.Todd, their substitute teacher, has killed their regular teacher and is trying to take over her job.

"The wackiest road trip in history continues as the McDonald twins travel the Southwest dodging nefarious villains and visiting weird but true American landmarks"--

When the hippie crossing guard, Mr. Louie, puts a love potion in the water fountain before Valentine's Day, everyone at Ella Mentry School falls in love.

A.J. and his friends in the second grade learn that art can be made out of anything, even garbage.