Thomas, Dave. <br/><br/>
Programming Ruby :  the pragmatic programmers' guide / 
Dave Thomas with Chad Fowler and Andy Hunt. 
 - 2nd ed. 
 - Raleigh, North Carolina :  The Pragmatic Bookshelf,  2005. 
 - xvii, 830 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 787) and index. 
<br/><br/><label>ISBN: </label>0974514055 (pbk.)  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ruby (Computer program language).