The discussion centers on the choice between "Three Roads to Quantum Gravity" by Lee Smolin and "A New Kind of Science" by Stephen Wolfram. The consensus leans towards recommending Smolin's book for those interested in quantum gravity, highlighting its enjoyable content and the importance of taking time to fully grasp the material. Personal preferences are noted, with some expressing a lack of interest in Wolfram's work. Overall, Smolin's book is favored for its clarity and engaging approach to complex scientific concepts.