The Simplex Crossword formula has been hugely successful and made bestsellers of all six books. Appearing daily in the Irish Times for over seventy years, the crossword has attracted a devoted following.
Simplex 1 contains:
- 60 Simplex crosswords
- Space for recording time taken
- Scribble space
- 60 solutions
- ISBN10 0862781922
- ISBN13 9780862781927
- Publish Date 1 February 1996
- Publish Status Active
- Publish Country IE
- Imprint O'Brien Press Ltd
- Format Paperback (A-Format (178x111 mm))
- Pages 144
- Language English