Eleven-year-old twins Miles and Beckett Fowl enjoy adventure and mayhem while helping a troll escape nefarious forces that want his magic.-- 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...

A clever vole distracts a grumpy, hungry, and musical troll who threatens to eat him by teaching the troll new songs, and in the end they become good friends because two voices are better than one.

"A young troll named Hawthorn is stolen from Fairyland by the Golden Wind, and becomes a changeling in our world, a place no less bizarre than Fairyland in his eyes"--

Trollbella, a young queen, throws herself the most wonderful birthday party imaginable, but does not begin to enjoy it until she hears a laugh coming from the Ferris wheel.

When Gravelmuck Elementary's cleaning slimes escape and destroy the schoolyard with their acidic ooze, all claws and tails point to Mr. Snag, the school's caretaker, as the culprit. Determined to clear Mr. Snag's name, Tank and Fizz dive into the case, only to discover that the goop under Rockfall Mountain runs deep. The detective duo must outwit their eight-legged principal and survive an ancient war between high-tech janitors and spell-slinging...