- This is the first introductory book to be written for undergraduate students to focus on the materials, techniques, changing conditions and display of works of art in different media, from prehistoric wall paintings to contemporary digital media. - A key text for students taking courses in art history, studio practice, conservation and museum/curatorial studies. - Written in accessible language, this book introduces the key scientific techniques and other sources of evidence that can help in reconstructing the original appearance of a work of art, encouraging students to question how works of art are presented to them and teaching them how to interpret them correctly. - Discusses the often controversial implications of restoration and/or conservation, providing students with a better understanding of the role played by museums and galleries in the preservation of our cultural heritage.