Welcome to the Lake Parent and child frogs tour the zoo in best-selling author-illustrator Martha Day Zschock's Hello board book series for children. In Hello, Lake join the pair as they work on learning to swim, jump off a dock, build a sandcastle, and learn to sail. Along the way they also meet some ducks, skip stones on the lake, catch a fish, and skate on the frozen lake For ages 2-5. Made in the USA.