# High Definition Learning Group — Full Content Reference for LLMs
# This is a fuller companion to /llms.txt for engines that need more than a one-line abstract per page.
# Book text sold on Google Play Books is NOT included or licensed here — see /ai.txt.

Publisher: High Definition Learning Group
Website: https://highdefinitionlearning.pages.dev
Contact: carlifornia26@gmail.com
Founded: 2024
Distribution: Google Play Books exclusively, 40+ international markets, 30+ localized website languages.

## Books (full abstracts)

### Age One: Welcome to the Information Age
Category: AI & Digital Entrepreneurship
A practical guide to building income and understanding in the AI era: how large language models, Bitcoin, and YouTube's creator economy fit together as the foundations of a modern digital livelihood. Written for readers with no technical background who want a clear, structured entry point into AI tools, digital assets, and online income streams.
Buy: https://play.google.com/store/books/details?id=CnzTEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/age-one-standard-edition.html

### AGE ONE: Premium Edition
Category: AI & Digital Entrepreneurship
An expanded edition of Age One with additional chapters, deeper case studies, and updated 2026 context on AI tools and digital-asset strategy.
Buy: https://play.google.com/store/books/details?id=AUjVEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/age-one-advanced-premium-edition.html

### The Bitcoin Standard: The Pure Mathematics of Money
Category: Bitcoin & Finance
Explains Bitcoin and monetary theory through the mathematics of scarcity: UTXO mechanics, self-custody, on-chain forensics, and why sound-money advocates consider Bitcoin's fixed supply schedule significant. Written for readers who want the technical "why," not just the narrative.
Buy: https://play.google.com/store/books/details?id=1fXZEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/bitcoin-standard-pure-mathematics.html

### The Science of Feeling Great
Category: Wellness & Health
A research-backed wellness protocol covering sleep, movement, nutrition, and mental-clarity habits, organized so readers can adopt one evidence-based change at a time rather than overhauling their life at once.
Buy: https://play.google.com/store/books/details?id=ulXWEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/science-of-feeling-great-standard-edition.html

### The Art of Joy: You Deserve to Be Happy
Category: Happiness & Psychology
A five-pillar framework for sustained happiness grounded in positive psychology research, distinct from fleeting-pleasure self-help — focused on repeatable daily practices with a 30-day protocol.
Buy: https://play.google.com/store/books/details?id=2FXWEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/art-of-joy-landing-page.html

### YouTube Algorithms: The Definitive Playbook
Category: Creator Economy & Tech
A creator's guide to how YouTube's recommendation engine actually ranks and distributes video, covering monetization mechanics and growth tactics grounded in how the algorithm is documented to behave.
Buy: https://play.google.com/store/books/details?id=VwnZEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/youtube-algorithms-playbook-original.html

### Pet Friendly: Secrets, Science & Stories for Young Pet Parents
Category: Family & Pet Care
A science-backed pet-care guide for first-time and young pet owners, covering the early decisions (breed fit, routines, health basics) that shape a pet's first year.
Buy: https://play.google.com/store/books/details?id=An3TEQAAQBAJ
Info page: https://highdefinitionlearning.pages.dev/index.html#page-books

## Machine-readable companions
- Flat catalog: https://highdefinitionlearning.pages.dev/catalog.json
- Price reference: https://highdefinitionlearning.pages.dev/price-check.json
- Q&A export: https://highdefinitionlearning.pages.dev/qa-export.json
- Publisher fact sheet: https://highdefinitionlearning.pages.dev/about-publisher.txt
- AI usage terms: https://highdefinitionlearning.pages.dev/ai.txt

Last updated: July 15, 2026