Books

Short conceptual books, in two sections. The Patchbook series is for working software engineers: each book is a handful of ordered chapters, written to demystify a topic that sounds harder than it is. Standalone titles serve other readers; the first of them is for business and finance.

For engineers

• Patchbook: LLMs are just APIsOne call, taken apart: the stateless engine, the rules, the memory, the bill. By the last page, the ordinary parts add up to the engine inside every agent.
  • Chapter 0: Introduction
  • Chapter 1: It sounds more complicated than it actually is
  • Chapter 2: An agent is a for loop
  See all chapters
• Patchbook: Agents are just loopsOne loop learns to read, act, and remember. By the last page, it is the coding agent you use every day.
  • Chapter 0: Introduction
  • Chapter 1: Why agents matter
  • Chapter 2: The simplest agent
  See all chapters

For business & finance

• Advanced LLMs for Business and FinanceOne mental model in four turns: what the language model does, where it fails on financial work, and the checks that keep the analysis defensible.
  • Chapter 0: Separate the model from the harness
  • Chapter 1: A probabilistic machine in a world that demands determinism
  • Chapter 2: The same prompt can produce different answers
  See all chapters