The Secret: A Treasure Hunt 1982 First Edition Bantam Paperback Palencar Preiss
Illustrators: John Jude Palencar, John Pierard, Overton Loyd. Developed and Edited by Byron Preiss. Only 3 of the 12 casques have been recovered since the book was published (Chicago, Cleveland, and Boston), and the remaining 9 treasure s are believed to be still buried.
