The Magic of Go is a weekly go column in the Daily Yomiuri Shinbun newspaper, now written by Rob van Zeijst.
Index pages:
http://www.yomiuri.co.jp/igo_e/index.htm
for recent articles by Rob, from 151 onwards;
http://www.yomiuri.co.jp/igo_e/zeijst.htm
for Rob's older articles 47-150; and
http://www.yomiuri.co.jp/igo_e/bozulich.htm
for even older articles 1-46 by Richard Bozulich;
Some Errata.
Where is article # 49 / why is it taken away (link and page missing)
asks Ruediger from Luebeck/Ger
The Magic of Go is also a book by Cho Chikun, published by Ishi Press. It has since been republished (with minor changes) by Kiseido under the name Go: A Complete Introduction to the Game.