@Golden50. Unfortunately, don't think that any of these titles are particularly rare or collectable, and as always with used books, condition will be key. A general charity shop might be able to on sell them for a few pounds each. Not sure if any of the books contain author's signatures, and, if so, whether this will possibly make the books more valuable. Dedications tend not to do so.
Looking at the titles, one by one...
• "Stopping Train Britain" (Alexander Frater) (1983) is not particularly rare.
• "Evocative Steam" (Paul Richardson) (1985) is perhaps slightly more difficult to get hold of.
• "Trains we Loved" (David St. John Thomas + Patrick Whitehouse) (1994) seems fairly commonplace.
• "Men of the LNER" (Peter Grafton) (1982) is also quite easy to obtain.
• "Railway Picture Postcards" (Maurice Bray) (1986) also seems relatively easy to obtain.
Similarly so...
• "A Book of Railway Journeys" (Ludovic Kennedy) (1980).
Shifting the books by post will be relatively expensive in relation to their likely value, when postage is added on.
Hope the above is not too disappointing, but maybe someone will want them. Hope that helps!
