London: Oxford University Press, 1961, 1st printing; green boards in dw with children, wood and tools by Shirley Hughes; 8vo; 153 pp. Juvenile hardback.
From Mayne's realistic period, the plot brings together an inventor great-uncle, an old summerhouse, and an eccentric old woman who calls herself a changeling,
CONDITION: Very Good in Very Good jacket; nice farm prize bookplate, very foxed top edge; in clipped dw with rubs and bumps on extrems. Item #16601