“The Innovator’s Prescription” (Clay Christensen) explains the Innovator’s Dilemma better than the original book and introduces jobs-to-be-done with the milkshake story.

“Creativity Inc.” (Ed Catmull) explains how Pixar manages people & throws in a few insights from mature (post Apple firing) Steve Jobs.

“Managing the Design Factory” (Don Reinertsen) explains how to prioritize projects and analyze a business for bottlenecks in order to minimize cost of delay.