Bones and the Roller Coaster Mystery

David A. Adler is the author of more than 200 books, ranging from children’s series to books on math, science, and economics. His work includes the Young Cam Jansen series, the Andy Russell series, and a number of nonfiction and picture biography titles. He lives in Woodmere, New York.

Barbara Johansen Newman (www.barbarajohansennewman.com) worked as a puppeteer and puppet maker for many years. She illustrated the Doyle and Fossey books (Dutton) by Michele Torrey and the Bones series by David A. Adlerl. She also authored and illustrated a picture book, Tex & Sugar. She and her husband have three sons.