1. Royce's Sailing Illustrated Course: Sailors Helping Sailors, Instructor's Edition
by Royce, Patrick M. 
Price: USD 6.30
Dealer: Abebooks, Seattle Goodwill
Description: ISBN10: 091128401X, ISBN13: 9780911284010, [publisher: Royce Pubns] Softcover May have some shelf-wear due to normal use. Your purchase funds free job training and education in the greater Seattle area. Thank you for supporting Goodwill's nonprofit mission! [Seattle, WA, U.S.A.] [Publication Year: 1993]  

2. Royce's Sailing Illustrated Course: Sailors Helping Sailors Instructor's Edition
by Patrick M. Royce 
Price: USD 17.48
Dealer: Biblio, Ergodebooks
Description: Royce Pubns, Date: 1993-04. Paperback. Good. 1993. Royce Pubns ISBN 091128401X 9780911284010 [US] 

3. Royce's Sailing Illustrated Course: Sailors Helping Sailors, Instructor's Edition
by Royce, Patrick M. 
Price: USD 6.30
Dealer: Alibris, Seattle Goodwill via Alibris
Description: Royce Publications 1993 Illustrated. Trade paperback May have some shelf-wear due to normal use. Your purchase funds free job training and education in the greater Seattle area. Thank you for supporting Goodwill's nonprofit mission!