1. The First Scientist: A Life of Roger Bacon
by Brian Clegg 
Price: USD 39.15
Dealer: Biblio, Ergodebooks
Description: Da Capo Press, Date: 2004-06-20. Paperback. Good. 2004. Da Capo Press ISBN 0786713585 9780786713585 [US] 

2. The First Scientist: A Life of Roger Bacon
by Clegg, Brian 
Price: USD 252.73
Dealer: Abebooks, Front Cover Books
Description: ISBN10: 0786713585, ISBN13: 9780786713585, [publisher: Da Capo Press] Softcover [Denver, CO, U.S.A.] [Publication Year: 2004]  

3. The First Scientist: A Life of Roger Bacon
by Clegg, Brian 
Price: USD 253.40
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0786713585, ISBN13: 9780786713585, [publisher: Da Capo Press] Softcover New Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 2004]  

4. The First Scientist: A Life of Roger Bacon
by Clegg, Brian 
Price: USD 256.20
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0786713585, ISBN13: 9780786713585, [publisher: Da Capo Press] Softcover New [Long Beach, CA, U.S.A.] [Publication Year: 2004]