Harley Competition Racer Book, KR KRTT XLRTT

[MMasa]

Who can tell me something about this book?
I've never seen one before.
https://www.ebay.com/itm/264706326876
Thanks
Mark

[kitabel]

JM2¢?

That's a lot of money for something we've already seen. My copy is 40 years old. Every page has been reproduced and posted here, there, and everywhere.