So many people seem to be missing the essential point here. Read my original reply to Andy's request, where I pointed out all of the other things Crowood don't get for nothing because if they asked they would be told where to go. Photographs are a key ingredient of a book such as this and, as we all know, are extremely difficult to do well. Crowood have a very limited range of options when it comes to obtaining photographs for a caving book because there are so few of us shooting them, and the idea that they might set a budget of FA for those photographs is, frankly, outrageous.
I am astonished that so many people have joined this debate in defence of a company that is simply seeking to exploit the goodwill of talented individuals. Andy has attempted to argue the economic point of view but, as someone who works in publishing and has had a book published, I simply don't accept those figures. If the sums involved were as he described Crowood wouldn't bother to publish this book and they certainly wouldn't be going to full-colour for the reprint. I suspect they have spun Andy their hard-luck story as a way of depressing his author's fee and of making him come on this forum and pass on their unreasonable request for them.
Even those of us who do cave photography as fun - and I include myself in this because I have full-time employment as a photographer that pays my mortgage - should expect that some of the considerable expense incurred in doing it be recouped when a commercial organisation wants to benefit from those images.