The Encyclopedia of Materials: Science and Technology is a comprehensive, authoritative, and well-illustrated reference work covering all aspects of materials science and technology. Edited by six co-editors-in-chief, it consists of 11 volumes, totaling over 10,000 pages, with 1795 articles written by over 2000 authors. The encyclopedia is organized into four main categories: materials, their properties, techniques for synthesis and processing, and their applications. It covers a wide range of materials, including biomaterials, ceramics, composites, and polymers, and includes a 50-page Thematic Guide that classifies topics into subcategories. The articles are arranged alphabetically, though some titles have been altered to group related topics. However, the Thematic Guide is a useful tool for locating specific topics. The encyclopedia includes a detailed subject index, a list of contributors, and a list of acronyms. The articles range in length from 2 to 18 pages, with an average of 5–6 pages, and include illustrations and tables. While the encyclopedia is extremely comprehensive, it has some omissions, such as the history of materials science and certain specialized topics. Cross-referencing is inadequate, and the bibliographies are more recommendations than citation lists. The electronic version of the encyclopedia is available online, with additional articles and updates. The contributors are an international group of outstanding materials scientists and engineers, though some are missing from the contributor list. The encyclopedia is an indispensable resource for anyone working in the materials field and is expected to be updated in the future.The Encyclopedia of Materials: Science and Technology is a comprehensive, authoritative, and well-illustrated reference work covering all aspects of materials science and technology. Edited by six co-editors-in-chief, it consists of 11 volumes, totaling over 10,000 pages, with 1795 articles written by over 2000 authors. The encyclopedia is organized into four main categories: materials, their properties, techniques for synthesis and processing, and their applications. It covers a wide range of materials, including biomaterials, ceramics, composites, and polymers, and includes a 50-page Thematic Guide that classifies topics into subcategories. The articles are arranged alphabetically, though some titles have been altered to group related topics. However, the Thematic Guide is a useful tool for locating specific topics. The encyclopedia includes a detailed subject index, a list of contributors, and a list of acronyms. The articles range in length from 2 to 18 pages, with an average of 5–6 pages, and include illustrations and tables. While the encyclopedia is extremely comprehensive, it has some omissions, such as the history of materials science and certain specialized topics. Cross-referencing is inadequate, and the bibliographies are more recommendations than citation lists. The electronic version of the encyclopedia is available online, with additional articles and updates. The contributors are an international group of outstanding materials scientists and engineers, though some are missing from the contributor list. The encyclopedia is an indispensable resource for anyone working in the materials field and is expected to be updated in the future.