Eoin Colfer

Twelve-year-old evil genius Artemis Fowl is heir to the Fowl family empire (a centuries-old clan of underworld figures and famous con artists), and a most ingenious mastermind. In this first book of the series, Artemis finds himself in over his head after he tries to restore his family fortune by capturing Holly Short, a dangerous fairy. When he demands a kidnapping ransom in gold, the Fairy People, determined to rescue Holly, fight back with magic,...

After his last run-in with the fairies, Artemis Fowl's mind was wiped of memories of the world belowground and any goodness grudgingly learned is now gone with the young genius reverting to his criminal lifestyle.

When his girlfriend and several people close to him are murdered, Daniel McEvoy finds himself targeted by the New Jersey mafia, corrupt cops, and an eccentric neighbor and searches for a hair-plug technician who may hold crucial answers.

One week after their eleventh birthday, the Fowl twins-- scientist Myles, and Beckett, the force of nature-- befriend a troll who has clawed his way through the earth's crust to the surface. Unfortunately the troll is being chased by a nefarious nobleman and an interrogating nun, who both need the magical creature for their own gain, as well as a fairy-in-training who has been assigned to protect him. As the trio get shot at, kidnapped, buried, arrested,...

Artemis's mother has contracted a deadly disease -- and the only cure lies in the brain fluid of African lemurs. Unfortunately, Artemis himself was responsible for making the lemurs extinct five years ago. Now he must enlist the aid of his fairy friends to travel back in time and save them. Not only that, but he must face his deadliest foe yet...his younger self.

Twelve-year-old private investigator Fletcher Moon, nicknamed "Half Moon" because of his shortness, must track down a conspiracy or be framed for a crime he did not committ.

Meg Finn is in trouble. She's dead, but not at peace--she's in limbo, her good deeds perfectly balanced against her bad deeds; Heaven or Hell wait, a tip of the scale away. So she's back on Earth trying to tip the scale to the good by helping her last victim, and her former "partner" is also back, trying to force her to tip the scale to the bad.

In futuristic Satellite City, fourteen-year-old Cosmo Hill escapes from his abusive orphanage and teams up with three other people who share his unusual ability to see supernatural creatures, and together they determine the nature and purpose of the swarming blue Parasites that are invisible to most humans.

In Victorian London, Albert Garrick, an assassin-for-hire, and his reluctant young apprentice, Riley, are transported via wormhole to modern London, where Riley teams up with a young FBI agent to stop Garrick from returning to his own time and using his newly acquired scientific knowledge and power to change the world forever.

"When demons begin appearing on Earth unpredictably, foreshadowing a cataclysmic breakdown of their magic, Artemis and his friends face a new foe--a twelve-year-old girl whose intellect just might match Artemis's own--as they try to prevent catastrophe." --