Maths Text-books (Berry Lane Estate WD3)

I have a large quantity of Maths textbooks collected during a teaching career which finished nearly 20 years ago. They are for secondary pupils, going up to O-level/GCSE and to A-level. Although not aligning with current syllabi, I imagine that the content hasn't changed greatly; any surplus topics could act as enrichment for an enthusiastic pupil. You would need to see them and make a selection; I don't expect one person to take them all!