This book can be best described as a rudimentary introduction to the life and principles of John Calvin. With that in mind, it is good and useful as far as it goes. Hopefully, it will whet the appetite for further research of the greatest of the Reformers by readers of it.
The link below is to a book review of ‘Bloodlines,’ by John Piper.
The link below is to a book review of ‘Does God Desire All To Be Saved,’ by John Piper.