Fractals, Visualization and J, Fourth edition, Part 1 cover
Fractals, Visualization and J, Fourth edition, Part 1
by Clifford Reiter
ISBN: 9781329873551
Buy on Amazon
Found in 1 comment on Hacker News
scottlocklin · 2019-01-16 · Original thread
Cliff Reiter wrote one of the best ever J books as well.

https://www.amazon.com/Fractals-Visualization-Fourth-Cliffor...

You can run some of the examples by downloading J, installing the labs in the package manager and selecting help->studio->labs->Fractals