A set of dumb-bells is all you need to get the body you’ve always wanted, but if you don’t know how to use them effectively then they’re just a couple of lumps of metal. This comprehensive guide will give you an easy-to-follow introduction to basic training theory as well as workouts that will help you achieve any goal – whether it’s building muscle or losing body fat. There’s also a structured three-month whole-body plan and detailed form guides to help you get the most out of every move. It’ll help you turn those lumps of metal into powerful training tools.