"[...] this is a splendid tale about four children who run away from a dreary relation and find their formidable great-uncle, a passionate educator of the young, living on the edge of Dartmoor. His household is as eccentric as that in The Little White Horse, and features protective bees as well as Greek lessons, delicious meals and lashings of common-sense.[...] Good battles evil in a most thrilling adventure, and Goudge's joy in country life and children's imagination makes this one to add to the shelves of any child of 8-12*," says Amanda Craig.
Geranium Cat, meanwhile, calls it "an enchanting book", and it was on the strength of her review that I have bought it.
*Or any adult, by the sound of it!