Cowley, Joy. Go to bed, Oscar!. Level 9 / Joy Cowley ; illustrations by Don Tate. - Auckland, N.Z. : Clean Slate Press, 2011. - 16 p. : col. ill. ; 22 cm. - The Joy Cowley Club. Level 9, dark blue . - The Joy Cowley Club. Level 9, dark blue. . Reader for children. ISBN: 9781927130568 1927130565 Subjects--Topical Terms: Children's stories.Children's Literature.Readers--Bedtime.Readers--Loneliness.Bedtime--Juvenile fiction. Dewey Class. No.: 823.914