East, Ashton books & textbook

BUOYANCY FUNDAMENTALS FOR SCUBA DIVERS: BILL KENNY

Infinity Publishing /2021-03-26 Paperback / 91 Pages
isbn-10: 0741446537 / isbn-13: 9780741446534

Blurb /2019-06-19 Hardcover
isbn-10: 0368969061 / isbn-13: 9780368969065