Did famous author Mark Twain's only surviving child, Clara, and her daughter, Nina Clemens Gabrilowitsch, take a life-long secret to their graves? After extensive research, and using techniques from genetic genealogy, The Twain Shall Meet authors believe the answer is a resounding "yes." If you thought you knew everything about Samuel Langhorne Clemens' family, this book will be a page-turning eye opener. This work of nonfiction takes the reader on a mesmerizing and heartwarming journey into the tangled universe of mother-daughter relationships as co-authors Susan Bailey and genealogist and historic researcher Deborah Gosselin seek to uncover the identity of Bailey's mother-a quest that leads them straight into the heart of Clara's and Nina's world.