Age range 3+Bertie is perfectly safe, in her perfectly ordered room, with perfectly behaved pets, Bluebird and Billy. Everything sits in perfect order: her hair, her socks, her toys, her books. Until one day, when the window swings wide open... Bertie’s story is all about bravery. With the help from her friends she discovers that fear is just a thought, and it doesn’t have to stop her from living her big adventure.