Not necessarily just solutions, also copies of some code in the book.
Answers are mostly checked from community.schemewiki.org, as well as codology.net.
Not necessarily the best answers, some of them are original.
Not necessarily organized coherently, more like a companion for studying.
Lectures by Brain Harvey are on the Wayback Machine. Alternatively, the lecture series has been conveniently posted to a Youtube playlist here.
Inspiration is from teachyourselfcs.com.
Let's write some good code. ☕