This book is a must-have for any collector of books on Russian porcelains. With its hardcover format and publication year of 1968, it is a valuable addition to any collection. The book is written in English and covers a wide range of topics related to Russian porcelains. The author, Marvin C. Ross, is an expert in this field and has published extensively on the subject. The book is published by University of Oklahoma Press and is categorized under "Books" and "Books & Magazines".