Apologies to the forum member who was looking for some Crump books. I can't find where on the forum your thread is posted.
I have found 1/2 doz of his books that I have more than one copy of. Contact me on this thread & we'll exchange info.
Here are the books that I have found spare so far ( there may be a couple more when I've had a good search thru my library.
1. A good keen man
2. Hang on a minute mate
3. Bastards I have met ( haven't we all???!!!!)
4. Life × of a good keen man
5. One of us