Lindsey, David L. Spiral / David L. Lindsey. - 1st ed. - New York : Atheneum, 1986. - 368 p. ; 25 cm. ISBN: 068911625X : $15.95 (est.) LCCN: 86047655 LC Class. No.: PS 3562 .I51193 S7 1986 / S7 1986 Dewey Class. No.: 813/.54