When it gets dark, it's time to go to bed for everyone. But where do all the animals go find a shelter? Goodnight everyone is one of the eight books of the historic 1945 series by Bruno Munari.
He devised these lively books/albums for children using large pictures, pages and inserts of different sizes and varying holes to arouse the curiosity of the observer and let him literaly hang at each page.
This book is also available in Italian.