Biggy invites Purple for a sleep-over. When night-time comes, monsters come out frightening Biggy. How will Purple come to the rescue?

Gail Ellen Skroback Hennessey taught social studies at Harpursville Central School in New York State for 33 years. She writes often for children's publications and is the author of six books for teachers and students.In 1988, she was named Outstanding Elementary Social Studies Classroom Teacher of the Year from the New York State Council for the Social Studies and also named Outstanding Elementary Social Studies Teacher of the Year by the National Council for the Social Studies.