The specialized book "Artificial Grottos of the 18th and 19th Centuries in the Prussian Royal Palaces" offers a deep insight into a fascinating and rare artistic technique that was applied in the magnificent palaces of Prussia. The authorship of the Prussian Palaces and Gardens Foundation brings together well-founded art historical and restoration insights to illuminate the diversity and complexity of the grottoed wall and ceiling decorations. These artistic decorations, made from materials such as glass, shells, and minerals, are not only aesthetically impressive but also technically challenging. The book documents various examples of this art form, ranging from the early Friedrichian Rococo decorations to the elaborate designs of the Wilhelminian style. It is aimed at art historians, restorers, and anyone interested in learning more about the conservation and restoration of these delicate wall designs.