The 21-Day Method™ Book Series
Three complete series totalling 36 volumes — for international public service leaders, leaders and managers across all sectors, and individuals committed to personal growth. Each book follows the same proven three-phase, 21-day structure developed by Wolfgang Weiszegger from four decades of international leadership experience. Available on Amazon in Kindle and paperback.
Choose Your Series
Series 1: International Public Service Leadership (12 books) — For leaders in UN agencies, international NGOs, humanitarian organisations, and global institutions. Series 2: Leadership and Management (12 books) — For leaders and managers across all sectors developing professional capabilities. Series 3: Personal Growth (12 books) — For individuals committed to personal development and self-improvement. All 36 volumes available on Amazon in Kindle and paperback.
Actionable insights for leaders and professionals
THE 21-DAY METHOD offers twelve books across three focused series. Each title delivers practical strategies for crisis leadership, strategic communication, and navigating complex institutional environments.
Twelve Essential Guides for Leadership and Growth
Explore all twelve titles from THE 21-DAY METHOD across three focused series. Each book delivers practical frameworks for crisis leadership, strategic communication, and institutional navigation.
Questions about THE 21-DAY METHOD books?
Reach out directly. We respond to inquiries about our Leadership and Management, Personal Growth, and International Public Service Leadership series.
Explore all 12 books by Wolfgang Weiszegger
Visit the author's official Amazon page to browse THE 21-DAY METHOD series and start building your leadership and personal growth today.