It's summer and all of Ulrik's school friends seem to be going on something called "vacation," so Mr. and Mrs. Troll decide to investigate. Their neighbors, the Priddles, have just bought a camper, and it seems the Troll family has been invited to join them. When they arrive at the campsite and the Priddles open the camper to discover it full of trolls, they don't seem very pleased. But this is the least of their worries, as stories of a wild, sheep-devouring Beast on the loose near their campsite start to surface, and Ulrik finds himself helping to solve a hairy, scary local mystery.

When the Trolls and their neighbors, the Priddles, go off on vacation at the same time, both families are in for some surprises, including a wild, sheep-devouring beast and a scary local mystery. Simultaneous.

When Troll-Son runs away from home, he decides to leave the Shadow Forest behind and move in with his idol, Samuel Blink. Samuel isn't thrilled with the idea of hiding a runaway troll, especially one who copies everything he does, even (ugh!) using his toothbrush. But should Samuel return Troll-Son to the Shadow Forest? After all, he's running from something . . . what danger still lurks there? This engaging adventure showcases Matt Haig's wry sense of humor, drawing readers deeper into the imaginative world introduced in Samuel Blink and the Forbidden Forest.

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

When the Trolls move next door to the Priddles, both families find the other strange, which causes many misunderstandings.

Four friends find powers beyond their wildest dreams, and monsters worse than their darkest nightmares, when discover untapped celestial powers within themselves.

Mr. Troll and Mr. Priddle bet on which of their sons will make the school soccer team.