Casper Tock and the Everdark wings / Elphinstone, Abi

When Casper is transported to the strange world of Rumblestar, he must work with his first real friend, Utterly Thankless, to stop the monstrous creatures terrorizing the land.

Casper Tock hates risks and is allergic to adventures. So it comes as a nasty shock to him one day when he hides from bullies in an ancient grandfather clock and ends up finding an entire world inside. Together with Utterly and her miniature dragon, Arlo, Casper embarks on a quest full of cloud giants, storm ogres, and drizzle hags. Can he, Utterly, and Arlo the unlikeliest of heroes save both their worlds from the clutches of Morg?.