Trevor I agree with you re. episodes.
It would be of great help if the name of the crossword could be given,so that you could gauge the level it is pitched at.
TJ
Sue, there are lots of people here who want to try to help you, but you've got to help us with some information -- what was the crossword, was 'splits in material' the whole clue, do you remember any letters you might have already had?