The Duplicate > Editions
by William Sleator First published January 1st 1988
Published June 1st 1999
by Perfection Learning
Library Binding, 154 pages
Published June 1st 1999
by Turtleback Books
Hardcover, 160 pages
Published January 1st 1988
by Turtleback Books Distributed by Demco Media
Hardcover, 154 pages