yes, no need to buy it. and you are right, the value lies in the exercises. I started doing them in Clojure. I recommend doing as many as you can and then you'

yes, no need to buy it. and you are right, the value lies in the exercises. I started doing them in Clojure. I recommend doing as many as you can and then you'll find plenty of solutions online to compare your results. It's worth it