This book is an independent publication that summarizes and critically reviews Jon Meacham's book titled " And There Was Light" in detail.
This Abstract book you critical review and summary of the key concepts in the whole book as well as the essentials you ought to know in order to fully grasp the concept of the book.
Maybe you have previously read the book, but you would want a reminder on the contents. Maybe you want a brief overview to save time if you've not read the book or you'd simply prefer a brief synopsis to save for historical purposes.