"From the #1 bestselling author of The Historian comes an engrossing novel that spans the past and the present--and unearths the dark secrets of Bulgaria, a beautiful and haunted country. A young American woman, Alexandra Boyd, has traveled to Sofia, Bulgaria, hoping that life abroad will salve the wounds left by the loss of her beloved brother. Soon after arriving in this elegant East European city, however, she helps an elderly couple into a taxi--and...