Company Rod Machado created these great apps:
Rod's Private Pilot Handbook, Rod’s Private Pilot Workbook, Rod’s IFR Pilot's Handbook, Rod's IFR Survival Manual, Rod Machado's Plane Talk, Speaking of Flying, Rod's Aviation Book Samples, Rod's Sport Pilot Handbook, Rod’s How to Fly Handbook, Rod's Aviation Learning Center, Machado eCourses, Machado Audiobooks, and others..