Killing Imaginary Friends

What does a boy do when his imaginary friends never die?

Olly Frampton fights back his parting tears as they drive away from his home and his father into this storm. It's all his fault. He stares at his mother's tear-streaked face in the rearview mirror, terrified she will careen off the mountain. Suddenly, she breaks when police lights glare off the windshield. An officer in a yellow slicker waves them past an overturned car. She gasps.

Olly presses his nose against the window. A small boy l...