This book is a full-color printed version of all the KiCad manuals which may be found for free on the kicad-pcb web site. A less-expensive grayscale version may be found via ISBN 9781680921274.iCad is an open source software suite for electronic design automation (EDA). It facilitates the design of schematics for electronic circuits and their conversion to PCBs (printed circuit board) design. KiCad was orginally developed by Jean-Pierre Charras, and features an integrated environment for schematic capture and PCB layout design.