The Clymer Mercury 45-225HP Outboards 1972-1989 by Haynes Shop Manual B726 is a vintage nonfiction book aimed at adult readers interested in boating and automotive repair. Published in 1987 by Haynes Manuals, this revised edition features 376 pages of English language content with illustrations. Focused on transportation and sports & recreation, this trade paperback manual provides valuable information for maintaining and repairing Mercury outboard engines from 45 to 225 horsepowers. Ideal for those looking to learn about boating and automotive maintenance, this book is a valuable resource for enthusiasts and professionals alike.