POP-UP. (BLUE RIBBON/PLEASURE BOOKS) NEW ADVENTURES OF TARZAN "POP-UP" by Edgar Rice Burroughs. Chic: Pleasure Books/Blue Ribbon (1935). Sq. 4to, pictorial bds, a few areas of rubbing on page opposite the title (not bad) else VG-Fine. A fabulous pop-up Tarzan book with 3 double- page pop-ups by STEPHEN SLESINGER and with 2 b&w's on each page of text. A nice copy of the rarest title in this series.