Tethered, free May 17-18 for downloadhttp://www.amazon.com/gp/aw/d/B00CSUXBOW/ref=mp_s_a_1_1?qid=1386302522&sr=8-1&pi=SY200Perry is a young teen girl, she's never been allowed to think for herself or be independent.  She's grown up thinking that someone must really…