Between Planets, Robert A. Heinlein, Ace 05500 1971 Printing Good condition, slight wear along spine and cover edges. 95 cent Ace 441 0550 095 numbered on spine edition. Exact printing date not printed in book, but research at Abebooks.com identifies it as a 1971 edition of this classic 1951 Heinlein tale. Lot ID: btwpln-201307113. If you buy multiple comics or magazines, please wait for invoice with combined. If you have any questions, contact me before paying. Who Am I: My name is Ronald D. Edge. I live and work in Bloomington, IN, United States. I am a member of the American Philatelic Society, # 204787. I collect antique stamps, comics, and books. I am a retired computing technology and support IT director and database programming professional in real life. Having retired in Spring of 2011, I am enjoying devoting more time to stamps and other hobbies and interests.