Earth's Hidden Mysteries By Cohen, Carl Books / Paperback Books ISBN: 0837464048 / Publisher: Xerox Educational Pubns, June 1974 Price Starting at $5.65 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Acceptable Acceptable condition. Dampstained. Gifter's inscription on inside. (Science) $5.65 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for Earth's Hidden Mysteries