Takes under a minute

Report a shelf price

Help other shoppers by sharing the price you saw on the shelf. Every report is checked before it goes live.

Reporting a price for The Great Mental Models Volume 1: General Thinking Concepts by Shane Parrish – Decision Making and Critical Thinking Book on First Principles Thinking Second-Order Thinking Circle of Competence

What did you see?Include the brand and size if you can. Shop

Branch or town Optional PriceKES

Shelf prices can differ from the Naivas and Carrefour delivery prices we collect via Glovo. Please report only prices you've seen yourself.