I've recently been playing with F# on the side to learn more about functional programming and his website version has been a key part of what has kept me going.

I've recently been playing with F# on the side to learn more about functional programming and his website version has been a key part of what has kept me going. It's good to see an easy-to-read ebook version! F# is impressive and so is the website. I highly recommend reading this if you are interested in F#/functional programming.