The world is the enzymes' playground and we are but their vessels. We wage their wars, we nurture them, we help them evolve, grow, and replicate. Life really is all about them. Fortunately, we’ve also learned to harness them for our ends, using them to synthesize and edit DNA, digest harmful materials, and, crucially, produce a vast array of molecules with a plethora of applications ranging from agriculture to pharmaceuticals. Compared to what organic synthesis techniques can accomplish wit...