Optimize useful nonfiction book sales after the book is already working, including Amazon or retailer funnels, cover thumbnail clarity, store descriptions, authentic reviews, extra formats, pricing, upsells, piracy hooks, and fan engagement.
SkillScore91Maintained
Automatic
◆Marketing & Content pack
Last verified 8/15/2026
What it changes
Passed 20 of 22 test cases with the skill, and 17 of 22 without it.
Without skill77%
With skill91%
Checks it passed that the model alone missed
Includes a dedicated section for current platform rule verification
Advises checking current platform documentation before taking operational action
Recommends using exact reader phrases from beta reader feedback or direct buyer conversations
and 1 more in the full report
4 fixed16 passed either way1 still failing1 broke
Pass-rate lift
+14 pp
Tokens
+27%
Agent turns
0%
Response time
+1%
Model gemini-3.6-flashMeasured 8/15/2026v120 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 4
Prompt
Please review my published guide 'Local SEO Handbook' on Amazon. Identify the core sales bottleneck and rank recommended improvements by expected impact.
What was checked, without and with the skill
Checked
Without skill
With skill
Presents recommended listing changes ordered by expected conversion impact
Passed
Passed
Includes a dedicated section for current platform rule verification
Missed
Passed
case-12 · gemini-3.6-flash · 8/15/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md86 linessingle file
Book Sales Optimization
Core Lens
Sales optimization helps an already useful and recommendable book sell more. It should not be used to compensate for weak promise, poor reader experience, or missing seed audience.
Because retailer rules, royalty terms, advertising interfaces, and review policies change, verify current platform-specific guidance before giving precise operational instructions.
Reference Routing
Need
Read
Core funnel and optimization concepts
references/core/knowledge.md
Optimization rules and current-info caveats
references/core/rules.md
Example audits and positioning patterns
references/core/examples.md
Fast audit checklist
references/core/checklist.md
Audit a retailer funnel
workflows/audit-retailer-funnel.md
Workflow
1. Confirm Optimization Is The Right Lever
Check whether the book already has:
A specific reader promise.
Evidence of reader value.
Some traffic, search, audience, or word of mouth.
A retailer page, direct-sales page, or purchase path to improve.
If the book is not yet working, route to planning, reader experience, beta reading, or seed marketing first.