I am proud that some of these have been translated into Dutch, Italian, Spanish, Portuguese, and Mandarin. Other freely available data program resources are available to download here.
Some books that may be of interest
Why "Anything Awesome?"
that this is a concise [ ~ 1 minute] explanation as to why I find working on this end of these challenges is most rewarding! (you should also enjoy the accompanying audio-sampled in homage to deep thoughts on complex challenges)-so don't forget to turn up the sound!)
(you may need to click play below)