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Daily Mail 30 Second Challenge (2 Volumes) by Norman Lock

Daily Mail 30 Second Challenge (2 Volumes)


Daily Mail 30 Second Challenge (2 Volumes) by Norman Lock

Ever wish you were better at mental arithmetic? Young or old, everyone can sharpen their mental maths and rejuvenate the grey matter with these incredibly simple but effective puzzles straight from the desk of the original and best 30 Second Challenge maths master. See how quickly you can work your way through each puzzle - from beginner to advanced level - and feel your mental agility improve every day. Compelling, fun and suitable for all ages and abilities, this is the ultimate brain-training tool for people on the go.

About the Author

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Book Info

Publication date

1st October 2012


Norman Lock

More books by Norman Lock
Author 'Like for Like'


John Blake Publishing Ltd


288 pages


Sudoku & number puzzles



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