Comment by chrysoprace

The Sourdough Framework[0] is a really good book that specifically deals with sourdough, but has some good maths and theory. It actually doesn't have many recipes, but it's a good read. The author has a pizza calculator[1] too, which only has two variables (dough weight and hydration).

[0] https://github.com/hendricius/the-sourdough-framework

[1] https://pizza-calculator.the-bread-code.io/