Vice President JD Vance will lead the U.S. delegation to the Munich Security Conference that starts Friday in the southern German city, where world leaders and diplomats are gathering amid intense concern and uncertainty over the Trump administration’s foreign policy.

Recently published books can help readers better understand Russia and the war in Ukraine. Here is a list of must-read books.

Ukrainians on Thursday worried that U.S. President Donald Trump was preparing to sell out their country following his phone call with Russian President Vladimir Putin, though some expressed cautious hope over his effort to swiftly end the war.