How did 19th-century immigrants maintain relationships with loved ones thousands of miles away, much less preserve ties with pasts rooted in places they had left voluntarily? In his critically acclaimed book, "Authors of Their Lives: The Personal Correspondence of British Immigrants to North America in the Nineteenth Century," David A. Gerber, Ph.D., analyzes the cycle of correspondence between immigrants and their homelands to uncover the critical role played by letters in reformulating personal relationships made vulnerable by separation.