Believing was just the beginning…get ready to return to Roar in the magical sequel to the bestselling fantasy adventure.

Twins Arthur and Rose can’t wait to go back to Roar, the fantasy world they get to by crawling through a camp bed in their grandad’s attic. Roar is a land of dragons, mermaids, ninja wizards and where anything they can imagine can be real.

But when they return there’s no time for exploring, because a message arrives from their scarecrow enemy, Crowky: WHAT’S IN THE BOX? Whenever the box turned up in Roar, it always contained the things that scared them most. Until the day something really scary jumped out and they hid the box away. Now Crowky knows about it, Roar is in more danger than ever before.

Soon they find themselves on another thrilling adventure, accompanied by old friends and new faces and seeing parts of Roar they’d almost forgotten.

But will they get to the box before Crowky does? And if it opens, what will they see?