Just a few of the titles available for £2.50, granted Snowdonia is not near Yorkshire but you can get there in a couple of hours, traffic permitting that is.
Odd Corners in the Yorkshire Dales – William T Palmer
5th edition 1948 112 pages with 15 illustrations by J Hardman. Through the post to any UK address
£4.00
Not in Heckmondwike Book Shop 