The Skeptical Inquirer: The Elusive Open Mind - Ten Years of Negative Research in Parapsychology (Vol. XI No. 3 / Spring 1987) By Books / Paperback Special Collections / Author Archives › Barbara Mertz Collection Publisher: CSI, January 1987 Price $12.51 Free Shipping Send to a friend Collectible - Good Collectible - Good. Volume 11. Number 3. Slightly dampstained. Barbara G. Mertz Rev Trust custom bookplate on front cover. This book formed part of Barbara G. Mertz's personal library at her home in Frederick, Maryland. (unexplained, paranormal, periodical) $12.51 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.