As an accompaniment, the "How to Code: Systematic Program Design" series at edX: https://www.edx.org/course/how-code-systematic-program-design-part-ubcx-spd1 ht

As an accompaniment, the "How to Code: Systematic Program Design" series at edX: https://www.edx.org/course/how-code-systematic-program-design-part-ubcx-spd1 https://www.edx.org/course/how-code-systematic-program-desig... is based on HtDP and uses Racket.