A Genius at the Chalet School (by Elinor M Brent-Dyer)

(Amazon UK link) When I last read Elinor M Brent-Dyer's book ‘A Genius at the Chalet School’ in 2015, I only had the paperback edition, which contains just the first half of the original. So immediately afterwards I re-read the second half, published in Armada as a sequel, ‘Chalet School Fete’. Since then, I had the good fortune to acquire several of the series in hardback, courtesy of a relative whose late aunt had collected some of the books. 
Apparently the book wasn’t abridged at all when it w...