VTG 1976 Arthur C Clarke ‘Prelude to Space’ mass market paperback sci fi book

Vintage 1976 Arthur C Clarke ‘Prelude to Space’ mass market paperback. Ahead of its time, this sci fi novel predates the first man on the moon (originally published in 1951 - this listing is for a 1976 edition) In good vintage condition - some flaws/wear on cover and slight yellowing on edges of pages.