Condensed Matter Field Theory, Second Edition Site

It is arguably the best primary textbook for a many-body physics or QFT course.

The problems at the end of each chapter are excellent but demanding. They aren't "plug-and-chug"; they often require you to derive a seminal result in the field. Who is this for? Condensed Matter Field Theory, Second Edition

The explanation of how physics changes across scales is exceptionally clear. It is arguably the best primary textbook for