Offered in this U.S. Presidential lot are books signed by Richard Nixon and Gerald Ford, both authenticated by PSA. "Six Crises" was signed by Nixon in black ink and is 460 pages. The first edition book was published by Doubleday in 1962. The book is in good condition and includes a dust jacket that features a full-colored portrait of Nixon on the front. There are a couple of small tears on the spine of the dust jacket. The book is in good condition and the pages have yellowed a little bit due to aging. Nixon's signature is on a blank page in front of the book, the book's second full page. "A Time to Heal," was published by Harper & Row in 1979 and is also a first edition. Ford signed the 454-page book on a blank page before the title page in black ink. The book includes a dust jacket that shows a pensive President Ford smoking a pipe on the front. Overall, the book is in excellent condition.