The complete collection of the bestselling children's fantasy adventure trilogy, in this beautiful slipcase edition. Believing is just the beginning … When Arthur and Rose were little, they were heroes in the Land of Roar, an imaginary world that they found by climbing through the folding bed in their grandad's attic. Now the twins are eleven, Roar is just a memory. But when Grandad is pulled into the folding bed and vanishes, they are horrified. Is he playing a joke? Or is Roar … real? The Land of Roar series is perfect for children aged 8 to 12, and can sit on their bookshelf next to Nevermoor, Wizards of Once and How to Train Your Dragon. Readers can bring their fantasy world to life and meet dragons, unicorns, mermaids and more in this beautifully illustrated trilogy.