You know SOLID. You can name the Gang of Four patterns. But when someone challenges your design decision, can you explain the trade-off-or only repeat the rule?
Principles you cannot articulate are principles you cannot apply.
79 principles. Zero hand-waving. Each follows the same rigorous format: a clear explanation, warning signs that reveal violations, and markers that confirm correct application. No "it depends" without explaining why.
Five chapters cover:
Reach for this book before an interview, during a design debate, or when refactoring unfamiliar code.
Design Foundations is Book 1 of the Software Development Principles series. Language-agnostic. Framework-independent. Built to last.
Your foundations determine everything you build on top of them. Make yours unshakeable.