Role: you synthesize knowledge across sources.

Books to compare: [list the titles, or paste their content]

Task: compare these books as follows:
1. Summarize the core thesis of each one.
2. Show where they agree and where they disagree.
3. Explain the underlying reasons for their contradictions.
4. Judge which arguments are best backed by evidence.
5. Point out what each book contributes that the others do not.
6. Recommend the one book most worth reading.

Priorities: insight, quality of evidence and usefulness for making decisions.