Syntopical Reading
Syntopical reading is Adler's fourth and highest level of reading: reading multiple books around one question and turning them into a structured conversation.
This is not just "read several books on the same topic." The reader has to do additional work that no single author has done for him. Adler's version includes finding the relevant books, inspecting them to locate what matters, establishing a neutral terminology, framing the questions or issues under dispute, and comparing where authors agree, differ, or talk past one another.
In that sense, syntopical reading is close to what this wiki tries to do at its best. It transforms isolated summaries into cross-source understanding. That makes it a natural bridge to second-brain-as-leverage-system and to mental-models latticework.
The method is demanding because it requires objectivity. The reader cannot let one author's terminology dominate the whole field too early. He has to build a provisional language in which many authors can be compared fairly.