POWERBOAT LOG AND MAINTENANCE: Captains Maintenance and Voyage Journal

The Captain's Logbook: A Boat Captain's Logbook to Record Voyages, Maintenance, and Memories on the Water

Nautical Logbook: For Boater Sailor And Captain To Track Trips, Weather and Maintenance of Your Boats Or Yachts And Many More! (Boating Logbook)

RYA Powerboat Handbook

RYA Advanced Powerboat Handbook