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Non-fiction - Books and manuals - 100 Medium CalcuDoku Puzzles
100 Medium CalcuDoku Puzzles
by Giulio Zambon

ISBN: 978-1496072955
Publisher: MatheMagics Asia
Published in: 2014. Pages: 164.
Available in print from the publisher and from Amazon.

100 7x7 puzzles suitable for all solvers. If you want to tackle more challenging puzzles, or try first simpler puzzles, you will find that five other books of CalcuDokus are listed in the home page.