Duck's Key, Where Can it Be?

Duck has lost his silver key. I wonder where that key can be? Lift the flaps -- take a peek, Frog is playing hide and seek. A rhyming, flap book introducing Jez Alborough's endearingly hapless character, Duck, to an even younger audience. Duck wants to take Frog out for a drive in his truck but he has lost his key and can't start the engine. Where can it be? Could Frog know anything about it? Lift the flaps in this engaging book, to help Duck find his key.