The Barbie The Most Popular Girl in the World Collector's Edition book is a paperback book written in English. This book delves into the world of dolls, specifically focusing on the iconic Barbie brand. It is a collector's edition, making it a valuable addition for fans and collectors alike. The book likely explores the history, impact, and cultural significance of Barbie dolls, making it a must-have for anyone interested in the world of dolls and popular culture.