Considered by many to be mentally retarded, a brilliant, impatient fifth-grader with cerebral palsy discovers a technological device that will allow her to speak for the first time.

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.

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.

When seventh-grader Jake McQuade mistakes the world's first ingestible knowledge pills for jelly beans, he suddenly knows all about physics and geometry and can speak Swahili (though Spanish would be a lot more useful)--but his sort-of girlfriend Grace thinks they can use his new found brilliance to save their middle school from the new principal, who is conspiring to get it shut down.

After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet. In 30 BCE, Cleopatra and her husband, Marc Antony, lost their war against Octavian for control of the Egyptian Empire. However, Cleopatra knew Octavian was really after the mysterious item that was the source of all her...

"After saving the world, Charlie is ready to take it easy in the Galapagos Islands. That is, until she's approached by the mysterious Esmeralda Castle, who has a code she knows only Charlie can decipher. In 1835, Charles Darwin diverted his ship's journey so he could spend ten months in South America on a secret solo expedition. When he returned, he carried a treasure that inspired both awe and terror in his crew. Afterward, it vanished, never to...

Max and her CMI friends attempt to use their smarts to find solutions to a water crisis, while a greedy corporation with an eye on capturing Max seems to know their every move.

Michael, Taylor, Ostin, and the rest of the Electroclan head to Taiwan in search of nine-year-old child prodigy Lin Julung, or Jade Dragon, who the Elgen kidnapped for Hatch's army of electric children.

In Omaha, Nebraska, twelve-year-old Oliver Watson has everyone convinced that he's extremely stupid and lazy, but he's actually a very wealthy, evil genius, and when he decides to run for seventh-grade class president, nothing will stand in his way.

Sophie Simon, a third-grade genius, wants a graphing calculator so she can continue to study calculus while she rides the bus to school, but her parents are more concerned that she does not have any friends.