My heartfelt thanks to my editor, Dan Frank, for upholding a rigorous standard; to Deb Garrison for her invaluable comments; to my agent, Lane Zachary, for her patience and unflagging enthusiasm; to Suping Lu for allowing me to reprint the map of Jinling Women’s College; to Rong Cai and Changsheng Li for helping me get some details right; to Aimin Chen and Yuen Ying Chan for sending me needed materials; and to Lisha and Wen for their constant love and support.