If you thought Artemis Fowl was funny...
The Extraordinary Adventures of Alfred Kropp by Rick Yancey.
Through a series of dangerous and violent misadventures, teenage loser Alfred Kropp rescues King Arthur's legendary sword Excalibur from the forces of evil.
The Mysterious Benedict Society by Trent Lee Stewart.
After passing a series of mind-bending tests, four children are selected for a secret mission that requires them to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.
The Lightning Thief by Rick Riordan.
Twelve-year-old Percy Jackson learns he is a demigod, the son of a
mortal woman and Poseidon, god of the sea. His mother sends him to a
summer camp for demigods where he and his new friends set out on a quest to prevent a war between the gods.
The Amulet of Samarkand by Jonathan Stroud.
Nathaniel, a magician's apprentice, summon up the djinni Bartimaeus and instructs him to steal the Amulet of Samarkand from the powerful
magician Simon Lovelace.
Inkheart by Cornelia Funke.
Twelve-year-old Meggie learns that her father, who repairs and binds
books for a living, can "read" fictional characters to life when one of those characters abducts them and tries to force him into service.