The Perception puzzle book is available to purchase right now from Amazon.co.uk, Amazon.com and Amazon.eu. Please click the relevant link below to purchase this book via Amazon:
If you're based in Europe but outside the UK, then this book is also available on the version of Amazon in your country.
Consecutive Sudoku Rules
In our new series of videos, you can learn about new puzzle types and take part in quizzes. Why not have a watch?
The rules of this unusual sudoku variant are explained in this video - they can be really fun to solve but you need to understand what the bars between squares mean and that all are shown...
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