A Short Life of Abraham Lincoln Condensed from Nicolay & Hay's Abraham Lincoln: A History (Unabridged‪)‬

This biography of Abraham Lincoln was written by Lincoln's White House secretary. Nicolay was involved in Lincoln's most intimate personal affairs during the Civil War and became one of the president's most trusted aides. On a day-to-day basis, he and the president's assistant secretary, John M. Hay, were responsible for receiving and screening visitors, writing and editing letters, and delivering and receiving messages, among other duties.