Hart-Davis, Guy. <br/><br/>
iPhone geekery :  50 insanely cool hacks and mods for your iPhone 4S / 
Guy Hart-Davis. 
 - New York :  McGraw-Hill,  2012. 
 - xiii, 274 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780071798662 (alk. paper) 
<br/><br/><label>LCCN: </label>2012018297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>iPhone (Smartphone)
<br/><br/><label>LC Class. No.: </label>TK6570.M6  / H2967 2012 
<br/><br/><label>Dewey Class. No.: </label>004.167  / HGI