A two-book set to learn Drucker's management theory. They've only been read once, so they're in very good condition. - Title: Essential Drucker: Management: Tasks, Responsibilities, Practices - Author: P.F. Drucker - Subtitle: MANAGEMENT: TASKS, RESPONSIBILITIES, PRACTICES - Publisher: Diamond Inc. - Price: 2000 yen - The other book's title: What If the Girl Manager of a High School Baseball Team Read Drucker's Management Thank you for looking. No pets, no smokers, and immediate purchase is welcome.