Climbing: From Gym to Crag by Cicerone books is a handy & concise guide to helping you build the skills needed for rock climbing. The four main areas covered in this book are Indoor Climbing, Sport Climbing, Traditional Climbing, & Retreat Techniques. Climbing indoors is relatively safe, & making that transition to outdoor climbing sucessfully where the dangers are ten fold & mistakes are costly is extremely important. There are instructional chapters on safety, belaying, technique, leading, & anchors, helping any level of climber obtain a good knowledge of safety techniques.