David Gay Related books Conversion Ruined CreateSpace Independent Publishing Platform • 2014 Geometry by Discovery John Wiley & Sons Inc • 1998 Instructor's Handbook to Accompany Geometry by Dis Covery John Wiley & Sons Inc • 1998 Solving problems using elementary mathematics Prentice Hall • 1992 VOYAGE TO FREEDOM, a story of the Atlantic crossing 1620 Banner of Truth • 1984