> For the complete documentation index, see [llms.txt](https://marketing-trailhead.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection.md).

# Good Stuff Collection

- [Marketing Mental Models](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection/personal-mba-sales-marketing.md): Collection of 38 key mental models from the book titled 'The Personal MBA' by Josh Kaufman.
- [Advertising Mental Models](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection/mental-models-advertising.md)
- [Marketing Principles](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection/marketing-concepts-principles-definitions.md): It is good to refer marketing concepts and principles all-in-one-place.
- [Growth Marketing Wisdom](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection/growth-marketing-wisdom.md): A collection of best of the articles. Includes direct links and/or summary points so that you don't have to spend your time :-)
- [Examples: Offer + Landing Pages](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection/growth-marketing-wisdom/examples-landing-pages.md): A quick example of sharing a content offer with prospects, related email campaign and landing pages.
- [SaaS Wisdom](https://marketing-trailhead.gitbook.io/home/the-marketing-playbook/good-stuff-collection/saas-marketing-and-business-wisdom.md): A collection of best of the articles. Includes direct links and/or summary points so that you don't have to spend your time.