The book "Project for the restoration of Notre Dame de Paris" is a work created by the joint efforts of two outstanding architects - Jean-Baptiste Antoine Lassus and Eugene-Emmanuel Viollet-le-Duc. In this book, they offer their joint projections for the restoration of one of the most outstanding architectural masterpieces in the world - Notre Dame Cathedral. The authors develop ideas in detail about the reproduction of damaged elements, the restoration of architectural details and art, faithfully conveying the spirit and style of the original building. This book is not only a technical document, but also an expression of respect for the history and cultural heritage of France, which has captured the imagination of millions of people around the world.