Bicycle Hills is the fourth book of the Spirit Flyer Series by John Bibee and illustrated by Paul Turnbaugh. The book was published by Inter-Varsity Press in 1989.The book focuses on the struggles of Amy Burke, a young girl who has recently moved to the fictional town of Centerville. Shortly after the Burke family moves to Centerville, Uncle Bunkie, the clown, has every child in Centerville buzzing about a new amusement park that has opened just outside of town.