Illustrations: Mauro Toselli
Editorial Support: Sue Blumenberg
Cover Design: Aimee Andrion
The SketchNote illustrations were drawn on an iPad using Paper
by www.fiftythree.com using a dedicated stylus pencil. The illus-
trations were converted from PNG to SVG and EPS vector formats
using www.vectormagic.com. The technical figures for the book
were drawn with OmniGraffle.