Curse of the Evil Custard

Boy Overboard: the award-winning middle grade companion novel to Girl Underground

Moon Rising (Wings of Fire #6)

Superhero School: The Revenge of the Green Meanie

Skellig

Trolls United!

Escaping Peril (Wings of Fire #8)

Trolls Go Home!

Winter Turning (Wings of Fire #7)

Thunderbot's Day of Doom

Talons of Power (Wings of Fire #9)

Goat Pie

Darkstalker (Wings of Fire: Legends)

Alien Attack!

Gregor the Overlander Collection: Books 1-5

Assassin (Wings of Fire: Winglets #2)