51. THE RUBY WAY
by Fulton, Hal Edwin 
Price: USD 94.06
Dealer: Abebooks, BennettBooksLtd
Description: ISBN10: 0672328844, ISBN13: 9780672328848, [publisher: Addison-Wesley Professional] Softcover New. In shrink wrap. Looks like an interesting title! 2.7 [North Las Vegas, NV, U.S.A.] [Publication Year: 2006]  

52. The Ruby Way
by Fulton Hal Edwin 
Price: USD 98.76
Dealer: Biblio, GridFreed LLC
Description: Addison-Wesley Professional, Date: 2006-11-02. Paperback. New. New. In shrink wrap. Looks like an interesting title! 2006. Addison-Wesley Professional ISBN 0672328844 9780672328848 [US] 

53. PROGRAMMING THE RUBY WAY
by HAL FULTON 
Price: USD 441.74
Dealer: Abebooks, Iridium_Books
Description: ISBN10: 0672328844, ISBN13: 9780672328848, [publisher: PEARSON EDUCACION] Softcover [DH, SE, Spain] [Publication Year: 2006]