Inside Apple by Adam Lashinsky reveals the secretive methods and management techniques of Apple under Steve Jobs, highlighting its unique focus on product development without consumer surveys. The book discusses the company's culture of secrecy, the importance of saying no to distractions, and the embrace of a startup mentality post-1997. It also addresses Jobs's leadership style and the legacy he set for future executives to follow, as well as the challenges Apple may face in maintaining its success after his death.