This hardcover book titled "The Collectors Encyclopedia of Barbie Dolls and Collectibles" is a valuable resource for adults who are collectors of dolls. Written by Sibyl DeWein and Joann Ashabraner, this nonfiction book provides detailed information on Barbie dolls and collectibles. The book was published in 1977 by Collector Books and is in English language. * Inscription on inside cover- as seen in picture