TRIVANA I. London: Library 33 Ltd, . Octavo, boards. First edition, hardcover issue. Scarce issue of this book, most copies of which were issued in paper binding with Panther imprint. Invention of ion powered spacecraft and the colonization of Venus. Clarke, Tale of the Future (1978), p. 145. Reginald 00010. A fine copy in very good dust jacket with some effacement of surface at head of front panel and base of rear panel. (#440).