Partheniou Grasso, Stella: - Stella Partheniou Grasso is the author of There Was an Old Lady Who Swallowed a Puck, Over at the Rink, and 101 Creepy Canadian Jokes. She wrote Five Busy Beavers after she found a stick on the shore at her cottage with bite marks where a beaver had felled the branch. Stella and her family spend as much time as they can at their cottage, and the rest at home in Ajax, Ontario, Canada.