This is a hardcover book called "Song of The Night It's Time To Go To Bed. The author Katherine Riley Nakamura depicts funny and soothing characters in this book. There Are Great Rhymes and Poems in this book which depicts different animals such as squirrels, bunnies and ducks going to bed.Dogs singing and mice brushing their teeth while crickets sing songs. The illustrations are soft and soothing very inviting. This book is her first collaboration with her mother Linnea Riley who has published earlier books The Blue Sky Press mouse Mess published in 1977. Reviews from School Library Journal and Publishers Weekly. Linnea Riley also win the Bulletin Blue Ribbon Book and School Library Journal Best Book.Ms. Nakamura teaches elementary school and lives in Honolulu Hawaii! !