Believe in the impossible... A magical story celebrating the power of imagination, from the bestselling author of STORIES FOR BOYS WHO DARE TO BE DIFFERENT. Oleg and Emma entered their den to find a cardboard spaceship standing exactly where they usually sat. Slowly, the front door opened and out stepped a boy. 'My name's Sebastian Cole,' he said. 'But you already know that.' When Oleg and Emma invent a new classmate called Sebastian, they are amazed when he appears - very much real - in their s ...