17 books are very good to like new, 3 have turned pages, please see pictures.  No writing or highlights.

The Aubrey Maturin Series Vol. 1-20 Paperbacks by Patrick O'Brian is a vintage collection of historical fiction novels set during the Napoleonic Wars. The series, originally published in English by Norton & Company, Inc., follows the adventures of naval surgeons Aubrey and Maturin as they navigate the turbulent waters of the early 19th century. The paperbacks are perfect for fans of action, adventure, and maritime history, making them a valuable addition to any book collection.