Marisabina Russo is the acclaimed author/illustrator of numerous books for young readers including The Line Up Book, I Will Come Back for You, The Bunnies Are Not In Their Beds, and A Very Big Bunny. Sophie Sleeps Over is her first book with Roaring Brook Press. Ms. Russo lives in Westchester, New York.

Poet, activist, mother and professor Nikki Giovanni was born in 1943, in Knoxville, Tennessee. Over the span of thirty years, Nikki has received nineteen honorary degrees from colleges and universities.