Noted, and thank you for the feedback. Please do let us know if there's any other feedback you have - you can email us at rubymonk@c42.in. We'll be working on

Noted, and thank you for the feedback. Please do let us know if there's any other feedback you have - you can email us at rubymonk@c42.in. We'll be working on smoothing out the cross references to exercises, so problems will tell you exactly what exercises you need to read up on so you can complete them.