Рere are a few that you may find helpful:

* "The War in Ukraine: A History" by Serhii Plokhy
* "Putin's War: Russia's War in Ukraine and the West's Response" by Anne Applebaum
* "Ukraine: A History" by Timothy Snyder
* "The Ghost of Kyiv: The True Story of the Ace Fighter Pilot Who Defied the Odds" by Damien Lewis
* "The Putin Interviews" by Oliver Stone

These books provide different perspectives on the war in Ukraine and its historical background. They can help you to better understand the conflict and the challenges of finding a negotiated settlement.
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