Thomas D. <br/><br/>
Programing ruby: the pragmatic programmers' guide 

 - America  THE PRAGMATIC BOOKSHELF  2007 
 - xxxii,830p.  Paperback  23cm 
<br/><br/><label>ISBN: </label>9780974514055 
<br/><br/><label>Dewey Class. No.: </label>005.133