Business
Good to Great by James C. Collins10/10 Good to great defines a conceptual model which can be applied in any business, from startup to enterprise, in order to ensure consistent success. Immensely valuable for founders or executives looking to bring focus and clarity to their organizations.
Business
The Personal MBA by Josh Kaufman7/10 An encyclopedic overview of the major business concepts, mental models and terms which any serious business person should be aware of. Because of the book's breadth of scope Kaufman can't go too deep on any one topic but it's a valuable reference and starting point for further research.