This book provides comprehensive coverage of IT governance practices for advanced students and managers. Through an approach that offers up-to-date chapter content and empirical evaluations, this text presents a unique set of materials that educators can customize to their students' needs. This book interprets important theories, models and practices in the IT governance domain and examines the key determinants that influence the overall effectiveness of IT governance. The book evaluates how governance domains impact the level of IT governance maturity and how governance mechanisms impact the overall effectiveness of IT governance. The book contributes to the IT governance literature in developing a conceptual IT Governance Framework by linking internal governance maturity and mechanisms with the overall effectiveness of IT governance, and by disclosing a largely neglected influence of Business/IT alignment on IT governance maturity.