There are 4 levels of Boxing in the Bolinger KickBoxing series. The boxing series isn't just about how to punch. It is about how to be a technician of the art of boxing. This book goes through the level one medicine ball routine and level one coaches mitts routine and boxing work out. It also goes through a beginners heavy back routine and shows the different strikes. The level on boxing routine sets the base set of combinations, that's your bread and butter combos, in the second round combinations that is to help more with hand eye coordination with working 2 combos at the same time as well as working how to jamb, counter and get off the ropes. The Level 1 medicine ball routine is a very good starter exercise to help tone and has been used to rehab shoulders.