Page 7: “A clue!” Lucy said, crouching down to follow the trail of crumbs. Page 8: The crumbs led her under the dining table, where Max, her playful puppy, sat with big, guilty eyes. Illustration: Lucy is crouched down, following the trail of crumbs. Max, a small golden-furred puppy with floppy ears and a wagging tail, sits under the table with crumbs stuck to his fur.