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.

In this explosive third installment of New York Times bestselling author Dan Gutmans action-packed series, four thrill-seeking friends travel back in time to document one of the most devastating natural disasters the world has ever seen. Eccentric billionaire Miss Z is sending Luke, Julia, David, and Isabel on another mission back in time to capture one of historys most important events. This time, the Flashback Four are headed to AD 79 to photograph...

Summer vacation in their small Maine town does not look too promising until twelve-year-old Gina and four of her friends make a pact to become millionaires before school starts in September.

While attending the live taping of a hilarious Saturday morning kids TV show, A.J. and his friends must figure out what to do when the host, Uncle Fred, whose childlike behavior isn't an act, refuses to grow up!

When Joe travels back in time to 1944, he meets the Milwaukee Chicks, one of the only all-female professional baseball teams in the history of the game.

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

"A.J. and his friends are starting fourth grade. A new school year means a new teacher, and Miss Banks may be their weirdest one yet. She won't stop playing practical jokes on the class, and A.J. has reached his breaking point. Will he and the gang learnto not fall for their teacher's tricks? Or will Miss Banks prevail as the ultimate prankster?"-- "A.J. and his friends are starting fourth grade. A new school year means a new teacher, and Miss Banks...

Genius twins Coke and Pepsi McDonald embark on a trip to Graceland and are horrified by the reappearance of their supposedly deceased arch nemesis Dr. Herman Warsaw, who marries their aunt Judy. "Coke and Pepsi McDonald continue on their dangerous cross-county road trip, stopping at strange-but-real destinations in the South and facing such perils as an evil Elvis impersonator, a vat of acidic soda, and a giant recycling shredder"--

After discarding their infamous homework machine, four friends, now in sixth grade, find themselves once again at the police station, this time giving testimony about an incident involving a powerful computer chip, a Grand Canyon treasure, and a dead body.

Best friends Ouchie and Squishy, who love bowling and horror movies respectively, meet the eccentric owner of a local bowling alley and try to help him save Bowl-A-Rama from the wrecking ball and a destructive psychotic lunatic.