This book is an interesting read for anyone who wants to learn more about Dutch Calvinistic Pietism in the Middle Colonies. Written by James Robert Tanis, it provides a detailed and informative look at the life and beliefs of those who held this unique faith. The book is in English and is titled "Dutch Calvinistic Pietism in the Middle Colonies : A Study in the Life and Thinking of Pieter Geerlings and his followers." It is a great addition to any library and a valuable resource for anyone who wants to understand the history and beliefs of this important group.