September 2021
Beginner
136 pages
2h 55m
English
To my wife, Holly Welty-Barr, who makes the good things in my life possible and who lent me unending support and invaluable advice in writing this book. Also, to Scott Isenberg who believed in the book and Vilma Barr who reviewed it and offered valuable editing advice for improving the text. I thank you.
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