The book breaks down yoga postures into beginner, intermediate and advanced stages. Each pose is helpfully annotated with clear instructions and the reader will learn how to achieve and progress postures using modifications, blocks and straps, as well as their own anatomy to achieve amazing results. The authors show that you don't need to be flexible to practise yoga – but that practising yoga will make you flexible! Additional benefits include improved strength, mobility, sleep and productivity and decreased injuries, stress and anxiety.