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.
Simplex 4 contains:
60 Simplex crosswords
Space for recording time taken
Scribble space
60 solutions
Mary O'Brien has set Simplex crosswords for the Irish Times for over 20 years.
The O'Brien Press Cookie Policy - you'll see this message only once.
The O'Brien Press uses cookies on this website. They are stored locally on your computer or mobile device. To accept cookies continue browsing as normal. Or go to the cookie policy for more information and preferences.
