56 books • 3 series
Book #1: Inkjet printing cartridge nozzle plate
Book #2: Artificial gravity, centrifugal force and wafer planarization
Book #2: Old Country Man Losing His Horse
Book #3: Farmer Helping Seedlings Grow Up
Book #4: Three for Morning, Four for Evening
Book #5: Row Timber for Building a House
Book #8: Marking Boat to Find the Sword
Book #1: How Do People Become Billionaire?