51. Forward the Foundation
by Isaac Asimov 
Price: USD 10.23
Dealer: AbebooksUK, Blackwell's
Description: ISBN10: 0553404881, ISBN13: 9780553404883, [publisher: Transworld 1994-09-01, London] Softcover Language: ENG [London, United Kingdom] [Publication Year: 1994]  

52. Forward the Foundation
by Isaac Asimov 
Price: USD 17.93
Dealer: Alibris, Blackwell's via Alibris
Description: London Transworld 1997 Revised ed. Hard cover New in new dust jacket. 

53. Forward the Foundation
by Isaac Asimov 
Price: USD 9.62
Dealer: ZVAB, Blackwell's
Description: ISBN10: 0553404881, ISBN13: 9780553404883, [publisher: Transworld 1994-09-01, London] Softcover Language: ENG [London, United Kingdom] [Publication Year: 1994]  

54. Forward the Foundation
by Isaac Asimov 
Price: USD 4.50
Dealer: ZVAB, medimops
Description: ISBN10: 0553404881, ISBN13: 9780553404883, [publisher: Bantam Books] Softcover Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages. [Berlin, Germany] [Publication Year: 1994]