This set of three first edition books by Robert Ludlum includes The Bourne Objective, The Ambler Warning, and The Bourne Supremacy.

The Bourne Objective is a new Jason Bourne novel written by Eric Van Lustbader and published in 2010. The book features a blue hardcover with gilt stamped lettering on the spine and a dust jacket. It is in very fine condition and is a first edition, first printing.

The Ambler Warning, published in 2005, is also a first edition, first printing. It features a dark cloth hardcover with gilt stamped lettering on the spine and a dust jacket. The book is in very fine condition.

The Bourne Supremacy, published in 1986, is a first Random House edition with a number line starting with 2. It features a dark cloth hardcover with “Robert Ludlum” impressed on the cover and gilt stamped lettering on the spine. The dust jacket has a chip/rip toward the bottom of the spine, but the book is still in fine to good condition.