Which electronics package is required for the CNC machine from the book designs?

The book design uses all NEMA 23/24 motors which can be found here: https://buildyourcnc.com/item/electronicsAndMotors-3axis-425-elcombo I recommend the Mach3 USB option as you will be able to use the USB connection for control. If you are planning to build from the plans developed by the folks over at Woodsmith Magazine which is loosely based on the book design, use this electronics package: https://buildyourcnc.com/item/electronicsAndMotors-3axis-heavy-gantry-elcombo