For anyone who is looking to up their cycling game, this is the book for you!- Active Cities Heart Zones Cycling incorporates technology as a tool for maximizing enjoyment of cycling, and ultimately giving riders a means to personalize their fitness with a dynamic and practical plan for training. Since the first edition of this book in 1994, heart rate monitors have become increasingly sophisticated and more accessible to athletes of varied experience and skill level. Sally Edwards and Sally Reed combine decades of experience as athletes and sports industry particpants to deliver an authority on heart rate monitors that are sure to improve your sport.