I particularly liked the sections on nailing culture as a competitive advantage and thinking of your org design like a product. I also found some of the following templates useful:
- 1 page template for projects: https://docs.google.com/document/d/1541V32QgSwyCFWxtiMIThn-6n-2s7fVWztEWVa970uo/edit
- Jobs to be done framework: https://jtbd.info/2-what-is-jobs-to-be-done-jtbd-796b82081cca
- How to write emails with military precision: https://hbr.org/2016/11/how-to-write-email-with-military-precision
Lots of other gems in there too!