The discussion centers around recommendations for introductory books on tensors and general relativity (GR). Participants suggest that while Sean Carroll's "An Introduction to General Relativity" is a popular choice, it may be too mathematically demanding for beginners who are primarily interested in the physics. Instead, Schutz's "A First Course in General Relativity" is recommended for its balance of mathematical rigor and physical concepts, although some participants note it focuses heavily on special relativity (SR) before transitioning to GR. Hobson's book is also mentioned as a suitable alternative, praised for its clarity and helpful diagrams. Additionally, "Relativity Demystified" by McMahon is suggested as an affordable option. The conversation highlights the varying interpretations of what constitutes an "introductory" text, emphasizing the need for the original poster to clarify their background in physics and mathematics to receive tailored recommendations.