A loud, echoing crack broke the sleepy silence like a gunshot; a cat streaked out from under a parked car and flew out of sight; a shriek, a bellowed oath and the sound of breaking china came from the Dursleys¡ living room, and as though this was the signal Harry had been waiting for he jumped to his feet, at the same time pulling from the waistband of his jeans a thin wooden wand as if he were unsheathing a sword¡but before he could draw himself up to full height, the top of his head collided with the Dursleys¡ open window. The resultant crash made Aunt Petunia scream even louder.