Once there was a bridge and a terrible and VERY hungry troll lived underneath it. When the three Billy Goats Gruff decide to clip-clop across the bridge to get to the grassy ridge, the troll is already imagining all the way to prepare a delicious goat dinner. But the troll underestimates those seemingly sweet but oh-so-savvy goats!

When a sound starts driving Branch crazy, Poppy and Cloud Guy help him find out where it's coming from.

Years after her sisters venture Outside and vanish in a snow squall, thirteen-year-old Tag sets out to rescue the lost Youngers, accompanied by an unlikely crew--Boots, who can climb anything; Ant, who will eat anything; and Ren, who will say anything. Includes author's note.

Make music with Biggie, Branch, Poppy, and all the Trolls.

As her senior year of high school starts, Laurel is just beginning to adjust to Tamani's absence when he suddenly reappears, telling her he must guard her against the returning threat of the trolls that pose a danger both to her and to Avalon.

Gus, a troll who loves to sing, makes everyone happy with his songs until his desire for gold becomes so strong that he no longer has time to use his beautiful voice.

After being accidentally launched on a dangerous and terrible voyage, a one-legged soldier finds his way back to his true love--a paper dancing girl.

The Impossible Postal Express is no ordinary train. It's a troll-operated delivery service that runs everywhere from ocean-bottom shipwrecks, to Trollville, to space. But when this impossible train comes roaring through Suzy's living room, her world turns upside down. After sneaking on board, Suzy suddenly finds herself Deputy Post Master aboard the train, and faced with her first delivery-to the evil Lady Crepuscula. Then, the package itself begs...

One week after their eleventh birthday, the Fowl twins--scientist Myles, and Beckett, the force of nature--are left in the care of house security (NANNI) for a single night. In that time they befriend a troll who has clawed his way through the earth's crust to the surface. Unfortunately for the troll, he 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...

"The new Sprout Wing fairies, Lulu, Nova, Coco, and Zali, can't wait to explore their home in the Forever Tree. Soon they'll try out to see which fairy pod they each belong to, starting with the swift and sporty Flutterflies! Lulu wants to stay close to her friends, but there are four different pods, each with a special talent--plus mischievous trolls stirring up trouble"--