What's your favourite type of puzzle and why - do you like a language-neutral logic puzzle such as Sudoku, or perhaps you prefer the wordplay of a cunning cryptic crossword? Or maybe your favourite puzzle is something a lot less known such as a loop-making puzzle like simple loop?
Whatever your favourite type of puzzle we'd love to hear from you and just why you enjoy it so much!
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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For individuals with comments, questions or ideas with regard to our puzzle books, then please use this Contact Form to drop us a line.