Elinor M Brent-Dyer Chalet School Armada Paperback Book Collection from 1967-1969

11 Chalet School paperback books, with varying rubs, grubs and creasing with age toning, corner turns and lifting to spine. All have a number written on short title page in either pen or pencil.  All are tightly bound, one that has a lift to rear cover.  All are Armada, Collins publications.