Analog Science Fiction and Fact March 1967 [Volume LXXIX, No. 1] (Paperback) ISBN-13: 9780202867038 ISBN-10: 020286703X Genre: Science Fiction & Fantasy ? Analog Science Fiction and Fact July 1968 [Volume LXXXI, No. 5] (Paperback) ISBN-13: 9780202868073 ISBN-10: 0202868079 ? |