This World is Ours — India Millar

The war in the Crimea is over. Delighted to be reunited with her husband, Lord Kyle, Terue thinks she will soon be home again in her beloved Scottish Highlands. But fate is not finished with her yet. Terue learns that her daughter is a geisha in Edo. Overjoyed at the chance to be reunited with her child again, she and her husband set out to find Kazhua, returning to where Terue's life began in the Floating World. But old dangers and new foes abound. Forced to live in hiding, finding Kazhua without revealing Terue's true identity proves more difficult than they expected. Terue is so close to finding her daughter, she can feel the red thread that binds them together pulling taught. But reaching out to Kazhua could put all their lives at risk.