Caldwell, Ian,  1976- <br/><br/>
The rule of four / 
Ian Caldwell & Dustin Thomason. 
 - Dell mass market ed. 
 - New York :  Bantam Dell,  2005. 
 - 450 p. :  ill. ;  18 cm. 
<br/><br/><label>ISBN: </label>0440241359 (pbk.) 
<br/><br/><label>Subjects--Personal Names: </label><br/>Colonna, Francesco, d. 1527. --Fiction.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Young men--Fiction.<br/>Male friendship--Fiction.<br/>College students--Fiction.<br/>Fathers and sons--Fiction.<br/>Italian literature--Appreciation--Fiction.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Princeton (N.J.)--Fiction.