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The Super-Cube® Leadership Model by Dr Craig R. Muller, free to download: the black-covered book, +32.2 percentage points in 12 weeks for Imana Foods and Kerry Foods leaders, free PDF, 71 pages, 36 practices and a 30-day plan, download free at super-cube.me/book
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EducateBig Five Learn · Super-Cube®8 October 2026

Free to download today: The Super-Cube® Leadership Model, a book for every leader

Dr Craig R. Muller's short book on the Super-Cube® model is free today: six learnable faces of leadership, 36 practices and a 30-day plan. 71-page PDF.

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By Dr Craig R. Muller, founder of Big Five Group

Leadership is not a gift handed to a lucky few. It can be learnt, practised and measured, by anyone, at any age. I want that idea in as many hands as possible, so from today my short book, The Super-Cube® Leadership Model: Igniting Africa's potential and accelerating humanity's progress, is free to download, read and share. There is no sign-up and no payment: just the PDF.

What is inside

In 71 pages and 13 short chapters, the book sets out the six faces of the Super-Cube® model, with you at the centre: Choices, Principles, Mental, Emotional, Physical and Spiritual. It is written to be used, not just read:

  • A chapter on each face, with a story, practices and one thing you can do today.
  • 36 practices you can start this week, and six self-assessment workbook pages.
  • A 30-day action plan to begin building your own Super-Cube®.
  • From self to society: how the model scales from one leader to teams, organisations and communities.
  • Leaders for the Global Goals: a new chapter on why every one of the UN Sustainable Development Goals needs leaders.
  • A foreword by Dr Housainou Taal, Director of the African Leadership Institute.

Where the model comes from

The Super-Cube® grew out of my Doctor of Business Administration at the University of KwaZulu-Natal (thesis 2020, degree conferred 2021): an 18-item survey of 132 people in an African FMCG business network, followed by in-depth interviews with senior leaders. Since then it has been developed and tested in practice. When leaders at Imana Foods and Kerry Foods completed a 12-week accredited Super-Cube® leadership intervention, their average assessment scores rose by 32.2 percentage points across the six faces, including Principles +45.1, Emotional +39.5 and Spiritual +24.6. Those gains come from that intervention, not from the thesis. They are changes in group averages, in percentage points, and describe those cohorts rather than promise a result for every reader.

Why I am giving it away

When 33 Grade 12 learners at a leading high school in South Africa answered a leadership questionnaire after a brief Super-Cube® leadership intervention, 94% said leadership is important and 88% said they would like to develop their leadership using a scientific approach. Not one had a leadership model they actually used. (These are self-reported answers, not before-and-after results.) The wish to grow is there; the missing piece is a model. Our mission is Feed. Educate. Empower. Big Five Learn is how the Group educates, and a free book is the simplest way I know to start.

Now out: the comprehensive edition

This free book is the short introduction. Leadership Is Learnable, the comprehensive edition, goes much further: the full research and evidence behind the model, each face in depth, and how to develop leaders at every level. It is now out on Amazon in paperback ($17.99, R299 in South Africa) and on Kindle ($8.99): read the launch post.

Download it, then pass it on

Download free (PDF, 71 pages, 1.9 MB) · Read the chapters on super-cube.me · Explore Big Five Learn

Read it, try one practice today, and share it with someone who leads, or someone who is about to. If you want to see where your own six faces stand, the free Super-Cube® baseline at super-cube.me takes about ten minutes.

Feed. Educate. Empower.

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