LE PARC. Le Parc - et Le Probleme De Groupe. Paris: Denise Rene, 1966. 1st Edition. 328 x 189 Mm. Soft Cover. Poor Pages unnumbered, partly leporello book, illustrated in B&W. Part of the book in strong silver paper. Text in French by Frank Popper. - Le Parc - et Le Probleme De groupe - the front cover is damaged: cover has been torn, right-upper corner, and repaired.