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All newly published in book form, Simplex 150 has been compiled by Mary O' Brien, who has been setting the Simplex crossword for more than 20 years

The first two bestselling titles in the Simplex crosswords series combined in a great new edition.

The next book in the highly successful Simplex series.

Here are another 150 puzzles from Ireland's favourite crossword.

Sudoku is a real cultural phenomenon: a French fad in the 1890s, a Japanese craze in the 1980s, it is peculiarly British obsession. This book contains 201 fiendish brainteasers, ranging from easy to mind-bogglingly difficult. It provides a daily fix for the hardened Sudoku fan and sets an addictive challenge for novices. It's more than a game.

The first ever Bumper Book of Simplex Crosswords. Containing 300 Simplex crosswords, all newly-published in book form, the first ever Bumper Book of Simplex Crosswords has been compiled by Mary O'Brien.

Appearing daily in the Irish Times for over forty years, the Simplex crossword has attracted a devoted following.

Transform your home into a permanently clear and clutter-free space with the incredible KonMari Method. This title helps you tidy your rooms once and for all with inspirational step-by-step method.

The Simplex Crossword formula has been hugely successful and made bestsellers of all six books. Appearing daily in the Irish Times for over forty years, the crossword has attracted a devoted following.

This guide contains all the essential information about Acol bidding and play for beginners.