1. Federation
by H. Beam Piper 
Price: USD 6.61
Dealer: Biblio, Manyhills Books
Description: Ace Books, New York, Date: 1986. Reprint. Paperback. Good. Paperback. 284 pages. *** PUBLISHING DETAILS: Ace Books, New York, 1986. Reprint. *** CONDITION: This book is in good condition. Minor edgewear and rubbing to covers. Tanned pages. Reading creases to spine. Hole punch in front cover. Moderate spine lean. *** Quantity Available: 2. Category: Science Fiction & Fantasy; ISBN: 0441231918. ISBN/EAN: 9780441231911. Inventory No: 11110133.. 9780441231911 1986. Ace Books ISBN 0441231918 9780441231911 [AU] 

2. Federation
by H. Beam Piper 
Price: USD 6.73
Dealer: AbebooksAU, Barclay Books
Description: ISBN10: 0441231918, ISBN13: 9780441231911, [publisher: Penguin Publishing Group] Softcover 1986. Reprint. A very good copy. [York, WA, Australia] [Publication Year: 1986]  

3. Federation
by Piper, H. Beam 
Price: USD 6.73
Dealer: AbebooksAU, Manyhills Books
Description: ISBN10: 0441231918, ISBN13: 9780441231911, [publisher: Ace Books, New York] Softcover Paperback. 284 pages. *** PUBLISHING DETAILS: Ace Books, New York, 1986. Reprint. *** CONDITION: This book is in good condition. Minor edgewear and rubbing to covers. Tanned pages. Reading creases to spine. Hole punch in front cover. Moderate spine lean. *** Quantity Available: 2. Category: Science Fiction & Fantasy; ISBN: 0441231918. ISBN/EAN: 9780441231911. Inventory No: 11110133. The photo of this book is of the actual book for sale. [Traralgon, VIC, Australia] [Publication Year: 1986]  

4. Federation
by H. Beam Piper 
Price: USD 27.97
Dealer: Biblio, Ergodebooks
Description: Ace, Date: 1986-05-01. Paperback. Good. 1986. Ace ISBN 0441231918 9780441231911 [US]