product-discovery
The 7 Best Product Discovery Books in 2026 (Ranked, With Honest Drawbacks)
Seven product discovery books for founders and PMs, ranked: who each is for, the one idea worth stealing, and the honest drawback nobody mentions.
product-management
the-mom-test
The Mom Test in the AI Era: What Still Works and What Doesn't (2026)
The Mom Test still nails the single customer conversation. But when AI builds a prototype in a weekend, the hard part moves to deciding and following
product-discovery
Continuous Discovery Habits vs Customer-Led Development: Which Book Do You Need in 2026?
An honest head-to-head of Teresa Torres's discovery classic and Customer-Led Development, and why AI changes which one your team should read first.
customer-led
What Customer-Led Actually Means: If You Can't Name Them, You Aren't
63% of execs say customer feedback drives growth ideas. Only 15% use it consistently. One question shows which side of that gap you're on.
product-management
From Story Points to Tokens: The Constraint That Ran Software Just Died
Engineering time ruled software for 70 years. AI made it cheap. Here's the constraint that replaced it, and why most teams are aiming at the wrong one.
product-market-fit
The Survey Problem: Why What Customers Say Lies About Product-Market Fit
NPS and the 'very disappointed' test measure what customers say, not what they do. Here's how to read revealed preference and find real PMF.
customer-led
Why Methodologies Fail: Agile, Scrum, SAFe, and the Customer Filter
Waterfall, Agile, Scrum, SAFe, product-led, sales-led: each one fails the same way. They filter the customer through a department. Here's the fix.
customer-interviews
Books Like The Mom Test: 8 Customer Interview Books to Read Next (2026)
The Mom Test fixes your questions. These eight books cover what comes next: a free primer, a weekly discovery habit, the craft of interviewing, and what to do when your interviews never change the roadmap.
product-psychology
9 Books on Product Psychology for Product Decisions
Product psychology books for real decisions: Product Theory, plus eight complementary reads on behavior, usability and customer research.
pricing
Charm Pricing: Why the Last Digit Is Positioning, Not Math
Everyone knows the $9.99 trick. Everyone still falls for it. Here's why the last digit of your price is a positioning decision, not a math one.
jobs-to-be-done
Jobs To Be Done: Why Nobody Actually Wants Your Product
A fast-food chain couldn't sell more milkshakes—until they stopped studying the milkshake and started watching who bought it, and when. That's Jobs to Be Done.
goodharts-law
Goodhart's Law: Why the Metric You Target Stops Working
Set a target, and your team will hit it — often without touching the thing you actually care about. Goodhart's Law explains why every metric you optimize eventually lies to you.