From New York Times bestselling creators Emmy Award–winning actor Henry Winkler and children’s book author Lin Oliver comes a hysterical chapter book adventure

When the Pond Squad is invited to participate in the Emerald Pond Games, they can’t wait to compete. Playing sports, making new friends, and spending time with Maxwell—Emerald Pond’s cool mallard duck—sounds like a perfect afternoon to Willow.

But when Maxwell mysteriously disappears in the middle of a game, the animals know something’s wrong.

With all the strange plastic items floating around the pond, Willow is sure Maxwell is in danger. Fortunately, Detective Duck is on the job, solving these puzzling mysteries before they get out of hand and destroy another habitat!

The Pond Squad will have to work together to clean up their environment and rescue Maxwell in this charming new mystery.

"[P]lentiful … lively … Willow’s fans will be rapt."—Kirkus Reviews