Newsletter guides & playbooks — Letterhead

Playbooks and references for newsletter teams.

The newsletter strategy guide for publishers

Four ways to build an owned audience that grows, engages, and earns — personality, content, growth, and revenue. Read it free, no gate.

Read the guide

The Newsletter Character Sheet

Define your newsletter's identity, attributes, and behavior — then export it to PDF. No signup.

Open the tool

Monetize your newsletter with advertising

Three ways to sell, seven ad units that work, and real CPM benchmarks — the playbook behind $5M+ in newsletter ads. Read it free, no gate.

Read the guide