It's modelled around the suttas, but as best as is possible, they're sequential in the story they tell, and where relevant they are supported by commentary (but the commentarial additions are clearly designated as such). Its strength lies of in the use of multiple "narrator" modes... from memory, one suttanta, one Mahavihara, one something else (possibly non-sectarian historian?).
Sorry if I'm a bit sketchy, it's been a while, but to put it in context, I read this after reading the Majjhima and Samyutta Nikayas and still found much benefit from it and it would be my first port of call if there was some aspect of the Buddha's life I wanted to revisit.
The Amazon customer comments as linked to above are bound to contain additional information.
“I hope, Anuruddha, that you are all living in concord, with mutual appreciation, without disputing, blending like milk and water, viewing each other with kindly eyes.” (MN 31)
What is the final conviction that comes when radical attention is razor-edge sharp? That the object of the mind is mind-made (manomaya). (Ven. Ñāṇananda)
"If you have always believed that everyone should play by the same rules and be judged by the same standards, that would have gotten you labeled a radical 50 years ago, a liberal 25 years ago and a racist today." (Thomas Sowell)