99 Variations on a Proof (Philip Orling)

This book was extremely targeted at me. It's a riff on Raymond Queneau's "Exercises in Style," except it's math, different methods used to solve a cubic equation. Includes such methods as Medieval (European and Islamic), Arborescent (the "Gentzen Trees" which I learned about, briefly, in logic), Outsider (crank emails), Research Seminar (impenetrable), and Tea (what happens after the Research Seminar, and may be slightly easier to understand, or at least feature math puns). Highly recommended if you are literally me.