A free sequel to the succesful book Double-Fianchetto, published in 2020, which deals with positions with g3, b3 for White and g6, b6 for Black. In the first part of this book, 18 games with double fianchetto in various openings are discussed in detail on 90 pages. The second part contains 110 positions from practical games with double fianchetto for practice, always with annotated solutions. The contents of the book can be found in picture 2. Daniel Hausrath is a German Grandmaster who plays the Double finachetto systems throughout his career for about 25 years. Further information about the book and a sample are available at thinkerspublishing.com