Elaine Bogan

While Jim gets a crash course in troll history, big problems — and a bully — await him in the human world. What better time for his first mission?

The heroes brace for Angor Rot’s inevitable invasion and prepare for the fight of their lives. Jim locates the last Triumbric Stone.

A troll queen arrives from afar to take AAARRRGGHH!!! back to his homeland, revealing his devastating secret. Strickler asks Jim for protection.

A horde of pixies descends on Arcadia Oaks High, sending the student body into a tailspin. Angor Rot comes to Jim with a surprising proposal.

A barely recognizable Blinky experiences the highs and lows of being human. Angor Rot marks Jim for a fate that’s worse than death.

Claire gets her first look at Heartstone Trollmarket, and Jim receives a ghostly summons. Elsewhere, Strickler awakens an ancient assassin.

As Claire grows increasingly suspicious, Jim’s mom invites Strickler over for dinner, where the tension is so thick, you could cut it with a knife.

Jim’s 16th birthday is full of surprises, including the arrival of a terrifying new species of troll that’s immune to the effects of sunlight.

Jim tries to get closer to Claire on a school field trip to the museum, only to learn that the museum’s curator, Ms. Nomura, has an unsettling secret.

Mildew has betrayed the Vikings of Berk and allowed Alvin the Treacherous to kidnap Hiccup and Toothless. Astrid and Stoick must rescue them from Outcast Island along with help from…