A Boy, His Dog, and the Sea - Anthony Browne - Bog

"Danny isn't expecting much excitement when he sets off with his dog, Scruff, for a walk on the shore. He would much rather play with his older brother, Mick, who's gone off to be with his friends. Scruff loves the beach, but Danny finds it boring. His mom tells him to keep his eyes open: "You never know what you might see." At the beach, a game of fetch leads to a close examination of sand treasures, until Danny spies an excited crowd waving at the ocean's edge. Is there anything he and Scruff can do to help?"--