Title: The Madrid Codices (5 volumes, complete)
Author: Leonardo da Vinci, Ladislao Reti (commentary)
Publisher: McGraw-Hill Companies, 1974. Facsimile edition, the only complete one to date. All editions are scarce, and the English translations are very rare.
Condition: Hardcover, red leatherette with slipcase. Books are in excellent condition, slipcase is in very good condition with some wear around the edges. Looks unread.