1968. First Edition. 50 pages. No dust jacket. Pictorial paper covered boards. The Ladybird Basic Arithmetic Series, Book 3. Contains colour illustrated plates. Pages and plates are lightly tanned and foxed throughout. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Scuffing and light marking overall. Stained dark mark to front board. Mild tanning to spine and edges.