This book is perfect! Whether on initiation, in development, or preparing the theoretical part of paragliding pilot's license, this book is for you !. Very well organized, he greedily bed, and it is not too technical. The diagram explaining the mechanics of flight, weather, aerology, are very well done and allow quick understanding and without difficulty. Practical exercises are even proposed, illustrated with many photos that can understand what happens when you do this or tellle action. This book is really good, you practice paragliding, or want to get to it, he lays a solid foundation for future growth.