One method, five levels of responsibility
Every book applies the same four quadrants: Structure it, Understand it, Choose tools, Build it. What changes from Level 1 to Level 5 is who is affected when it goes wrong: at Level 1 only you, at Level 5 everyone who relies on what you run.
How to read the matrix
4 books
Swipe sideways to compare responsibility levels. Track names stay visible while you browse.
Build
Make something that runs
| Track | L1UserOnly you | L2Power userYour team sees a bad document or a wrong figure | L3BuilderColleagues depend on something you built | L4IntegratorCompany or lab systems and real data are in the loop | L5OperatorWork stops when it breaks, and it must survive you leaving |
|---|---|---|---|---|---|
| Track 07Agents | Not offered at this level | T07-L02Hand a Task to an Agent, and Check What It Did | T07-L03NEWBuild a Small Agent Your Colleagues Can Run, Test and Stop | T07-L04Connect an Agent to a Real Mailbox Without Handing It the Keys | T07-L05Keep a Team of Agents Running for Months, With Memory a Person Approves |
Every book keeps its address even while its title and content evolve.