Margaret Truman In the depths of the U.S. Library of Congress toil thousands of researchers, chasing down obsessions, breakthroughs, and new contributions to human wisdom. But when amateur D.C. sleuth...

Margaret Truman “Powerful . . . Fascinating . . . Truman absolutely amazes.”— Atlanta Journal & ConstitutionWhen the senior curator at Washington's famed National Gallery finds a missing painting by...