Nuzha Al -Mushtaq in penetrating the horizons or Roger's book is a book written by Idrisi, and this book is considered a geographical encyclopedia of the world in the twelfth century. Al -Idrisi wrote this book to King Roger II at his request, and included all the proper information that the ancients knew, and added to it what he acquired and what he saw and monitored on his trips and tests, and this book has remained a reference for European scientists for a period of more than 300 years, and contains about one thousand seventy -one thousand A map, has been achieved by orientalist Omperto Ritsto.