Keep it simple for WordPress. <invention for peace> without the triangles works, but remember WordPress shows in reverse chronological order so get all the way to the bottom of the shown hits. We call it a review vice a summary, but we do write summative reviews, one reason this web site is a resource for serious people.
Review: The Invention of Peace–Reflections on War and International Order
See Also:
Worth a Look: Book Reviews on Peace
