For those who don’t know: the author (
https://en.wikipedia.org/wiki/Nils_van_der_Poel) has highly unorthodox views on training, but showed they work on at least one person by becoming Olympic champion at the 5k and 10k speedskating this week, breaking the world record time on the 10k, and months ago announced he was writing this and promised to publish it after the Olympics.