Chris Grabenstein

"Twelve-year-old Kyle gets to stay overnight in the new town library, designed by his hero (the famous gamemaker Luigi Lemoncello), with other students but finds that come morning he must work with friends to solve puzzles in order to escape"--

Everybody starts somewhere, and once upon a time Luigi Lemoncello was a twelve-year-old boy in a large family who dreamed of being a showman; he gets his first chance working for a famous barker at a summer carnival where a mysterious puzzle leads him and his friends on a treasure hunt.

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.

"Twelve-year-old Jake McQuade-the smartest kid in the universe-goes to a camp for geniuses, where he goes up against the Virtuoso quantum computer, the smartest machine in the universe"--

"Jacky Hart has found a hidden talent in the performing arts, and she's a triple threat onstage! She wants nothing more than to act and sing all summer--but her parents have other plans for her"--

Wheelchair-bound middle school student Jamie Grimm's recent victory in the Planet's Funniest Kid Comic Contest leads to a television sitcom based on his life, but being the star of the show forces him to balance his newfound success with the responsibilities of being a good friend.

Daniel faces dastardly Number Two, who has slowly been amassing an underground army of aliens to help him enslave Earth's population in preparation for the arrival of Number One, the most powerful alien in the universe and Daniel's arch-nemesis.