EwaGlos, which has been developed in eleven languages, highlights the crucial role that professionally developed multilingual vocabularies play in international preservation campaigns. The illustrated glossary stresses the importance of a common language in the conservation field, and the role that international cooperation plays in creating this common terminology. The core of the glossary comprises approximately 200 def­initions of terms frequently used in specifications in the field of conservation-restoration of wall paintings and architectural surfaces. The book concludes with an extensive bibliography in this specialized field.