Enid Blyton, 'Shadow the sheepdog'.

 
1965 impression. 256 pages. Pictorial dust jacket over a yellow cloth. Contains black and white illustrations by G. W. Blackhouse. Pages are lightly tanned and thumbed at the edges. Green pen mark on page 143. Binding has remained firm with the corners a little dogeared in places. Corners are a little bumped and spine ends are a mildly crushed. Tanning to spine and edges.  Wear to unclipped dust jacket with tears, nicks and creases to spine, edge and corners.