"Corduroy: Lost and Found" (Board Book) by B.G. Hennessy and Don Freeman

Corduroy the teddy bear slips out very early one morning to get a birthday present for Lisa. He spies what he thinks is a yellow balloon up in the sky and goes chasing after it, thinking that would be perfect for her. But when the sun rises, the "balloon" disappears. And now Corduroy is lost. Can he reuinte with his best friend and find her the perfect birthday present?