"The Great Turning Point" is a look at the historical background of an ongoing debate in geology relating to the age of the earth and the origin of the various rock layers. The author explained the intellectual, religious, and cultural context of the debate, including what Bible commentaries were saying about Genesis. He also explained the marks of geological competence in the early 1800s. Personally, I found this section the most interesting.
The second part took a closer look at Granville Penn, George Bugg, Andrew Ure, George Fairholme, John Murray, George Young, and William Rhind. The author gave a short biography for each person and talked about how knowledgeable they were in geology, what they said about geology, their attitude toward the study of geology, their view of the relationship between Scripture and geology, about their writing, and more.
The book contained quotes from the writings of the scriptural geologists and of those against them so you could hear their positions in their own words. The information was well-footnoted so you could see where the quotes and information came from. The language was formal, and a lot of information was covered (information-dense). It took concentration to absorb everything, but it wasn't difficult to follow. If you're interested in this subject, then this book contains some very good information.
I received this book as a review copy from the publisher.