"Pan Cooke is ten years old when anxious thoughts begin to take over his brain like pieces of an impossible puzzle. What if he blurts out a swear word while in church? What if he accidentally writes something mean in his classmate's get-well card? What if his friend's racy photo of a supermodel ends up in his own homework and is discovered by his teacher? More and more, he becomes hijacked by fears that can only be calmed through exhausting, time-consuming...