# Calcudoku - Hard To Master

## Books in this series (1)

- Vol. 1 — [Calcudoku Puzzles Book - 200 Hard to Master Puzzles 9x9 (Volume 1)](https://mybookbandits.com/books/9781720802518) (ISBN 9781720802518)

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Browse this series at [MyBookBandits](https://mybookbandits.com/series/calcudoku-hard-to-master).