Writing - Non Fiction - Books & Manuals - MatheMagics Asia - Challenging Cross Number Puzzles

Do not buy this book.
It contains errors that the publisher refuses to correct. Moreover, the publisher, in breach of our agreement, refuses to pay me any royalty.

One hundred and fifty 10x10 puzzles for those who like to be challenged.

Cross Number is like any normal crossword puzzle. You must solve the clues to be able to write the answers in the grid, like in the example below.

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