The discussion centers on seeking additional resources for advanced physics problem-solving, specifically in mechanics, waves, oscillations, heat, and thermodynamics. The user mentions using "Problems In Physics" by Irodov and expresses interest in supplementary materials, highlighting the problem sets from Feynman's series and "Major American Universities PhD qualifying questions and solutions." They also recommend old Russian texts by Krotov and Sena for their quality in electromagnetism problems. Additionally, the user is struggling to find these books locally and is inquiring about potential sources for obtaining copies.