When Little Mouse can't sleep because of all the noises he hears outside, it's Big Mouse to the rescue in this padded board book featuring a story perfect for calming fears at bedtime. Little Mouse can't sleep. He can hear huffing and puffing outside the house. Something is tapping on the window, and there's someone calling "Hoo-hoo Hoo-hoo " out there, too Little Mouse asks if he can sleep in Big Mouse's bed. But Big Mouse is determined that Little Mouse should sleep in his own bed. Can Big Mouse help Little Mouse with his fears or will they both be up all night long trying to get to sleep?