Okawa, Ryuho Tips to find happiness: creating a harmonious home for your spouse, your children, and yourself/ Ryuho Okawa. - New York: Lantern Books, c2011. - vii, 81 pages; 21 cm. ISBN: 9781590563151 Subjects--Topical Terms: Kofuku no Kagaku (Organization) --DoctrinesFamily --Religious life Dewey Class. No.: DC 249 / Ok41