E.J. Gold's Zen Flip Cards 106 -- 1991 A second experiment in Flip Card Books for ToTM. This book uses the same technology as #105, but the journey is a Zen experience. This spiralbound flip book set includes a Certificate of Authenticity from the studio of E.J. Gold, complete with the E.J. Gold blind-stamp signature from Heidelberg Editions International. Produced in a limited edition, check with the Institute for current availability.