Research Workbook
A copy with your email address on the Dashboard and on every printed page. Download it as often as you need.
Reader Portal
Your CouncilMinds Library
Sign in with the license key from your Gumroad receipt to download your personalized Research Workbook and use the calculators.
How to sign in
- Buy the workbook or the bundle on Gumroad.
- Find the license key on your Gumroad receipt email, or on your Gumroad library page for that purchase.
- Open the Reader Portal below and paste the key.
What you will find
Calculators
Expected value, contract sizing, ATR boundary, sample size, and confidence-interval tools that run on our server.
Book updates
Revised editions of the book arrive by email from Gumroad. Download them again from your Gumroad library.
If your access stops working after a refund or a payment dispute, that is expected: the portal checks each purchase. For anything else, write to contact@councilminds.com.