From the bestselling author of The Dovekeeperscomes a spectacularly imaginative and moving new novel in the vein of The Night Circusthat has been acclaimed by Jodi Picoult as 'truly stunning: part love story, part mystery, part history, and all beauy'. New York City, 1911. Meet Coralie Sardie, circus girl, web-fingered mermaid, shy only daughter of Professor Sardie and raised in the bizarre surrou...