Recursion never really clicked and felt intimidating until I read "How to Design Programs": https://htdp.org/2020-8-1/Book/part_two.html https://htdp.org/2020-

Recursion never really clicked and felt intimidating until I read "How to Design Programs": https://htdp.org/2020-8-1/Book/part_two.html https://htdp.org/2020-8-1/Book/part_two.html By far the greatest educational piece I've come across on this subject matter.