rhs exam

Hey, I plan on taking the RHS exam in the state of PA and was wondering about how long it took people to study for the exam? And any suggested books I could use to study with?

Hi everyone, First of all I'd like to say that this forum is really helpful for ftd's... Thanks everyone for sharing experiences and information. I want to get X Ray License and I will take my RHS exam. I need study materials for RHS exam. Does anyone have? Could I find from a library? Or...