Two signed books: a first trade edition of Jurassic Park, published by Alfred A. Knopf in 1990, hardcover with dust jacket, signed on a loosely laid-in bookplate in black felt tip by Crichton; and a first trade edition of Rising Sun, published by Alfred A. Knopf in 1992, hardcover with dust jacket, signed and inscribed on the half-title page in black felt tip, "For Joe Collins—Best wishes, Michael Crichton, 8.16.93." In overall fine condition.
