Scrum 

Book	Level	Who	Blog Posts
The Scrum Guide	Easy reference	All
Scrum Insights for Practitioners: The Scrum Guide Companion	Easy reference	SM
Scrum – A Pocket Guide	Easy reference	SM
Scrum: The Art of Doing Twice the Work in Half the Time	Holiday	SM	Review Scrum Examples
Software in 30 Days	Commute	SM

Scaling 

Book	Level	Who	Blog Posts
SAFe 5.0 Distilled	Textbook	SM
The Rollout	Holiday (novel)	SM
Nexus Framework for Scaling Scrum	Textbook	SM

Product Owner 

Book	Level	Who	Blog Posts
Product Mastery	Commute	PO
User Story Mapping	Textbook	PO	User Story Mapping
User Stories Applied	Textbook	PO

Scrum Master 

Book	Level	Who	Blog Posts
Scrum Mastery	Commute	SM
Fixing Your Scrum	Textbook	SM
Mastering Professional Scrum	Textbook	SM
Coaching Agile Teams	Textbook	SM
Agile Retrospectives: Making Good Teams Great	Textbook	SM
Improv-ing Agile Teams	Commute	SM	Ultimate Agile Games

Developer

Book	Level	Who	Blog Posts
The Art of Agile Development	Textbook	Dev
The DevOps Handbook	Textbook	Dev/ SM
The Phoenix Project	Textbook	Dev/ SM

Team 

Book	Level	Who	Blog Posts
The Five Dysfunctions of a Team	Holiday	SM
Team of Teams	Holiday	SM
Drive	Commute	SM
Turn That Ship Around	Holiday	SM

Product 

Book	Level	Who	Blog Posts
Lean Product Playbook	Textbook	PO
Escaping the Build Trap	Commute	PO	Product Kata
Hooked	Commute	PO
Lean UX	Textbook	PO
The Lean Startup	Commute	PO/ SM

Leadership/ business

Book	Level	Who	Blog Posts
Extreme Ownership	Commute	SM
Radical Cador	Commute	SM/PO
Adapt	Commute	SM
The Everything Store	Holiday	PO	Review
Shoe Dog	Holiday	PO
Creativity Inc.	Holiday	SM/ PO	Sprint Review Examples Sprint Retro Examples
The First 90 Days	Commute	SM	Review New Scrum Master