Amy Tan’s “A Pair of Tickets” is the account of Jing-mei, an American woman on a pilgrimage to China to meet her half-sisters, abandoned by her mother in China during World War II. Jing-mei’s mother always hoped of reuniting with her daughters she left behind long ago, but she died of an aneurysm before the opportunity arose. Through chance, a friend of Jing-mei’s mother, still in China, spied the twins while shopping. The mother was already deceased, so with encouragement from her aunts, Jing-mei made the jour ....