1.
Exploring Space
By
Roy Worvill
Illustrator
Bernard Robinson and B. Knight.
Revised edition, circa 1975, Ladybird Books.
ISBN: 0721401392.
Pictorial paper-covered boards.
50 pages.
Series 601, original price 15p.
Covers worn at edges.
Spine strip strengthened with tape.
Contents clean and unmarked.
Good condition.
2.