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Goodreads asked Rued Caspar Riis:

Where did you get the idea for your most recent book?

Rued Caspar Riis I wrote this short book during the breaks between classes in college. The reason why I wrote it was that I had read so much on fitness myself that I was completely overwhelmed.
For someone just starting out, this might kill the joy around working out - and therefore, I sat down to distill the most overall and general principles that have worked for me.

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