he made certain the handlebars were securely collapsed and the wheels folded in and the two halves of the cart attached to his back with a makeshift strap . the last bedroom was at the far end of the hallway , and was the only one with the door closed . they 'd scraped every leaf in the park for evidence . he was lost and could only fumble , `` what ? while she fills up a cup , i try to look casual . my sister and i looked at each other . 