STOKOE, W.J. The Observer's Book of British Ferns. London: Frederick Warne & Co. Ltd., 1951.
12mo., green cloth lettered in Navy Blue to upper board and spine; original unclipped jacket; pp.128, with errata slip to pl.9; edges and spine sunned, internally very clean in somewhat reinforced jacket with internal tape marks and nicking and creasing to folds.
Augmented edition, with an additional 36 black and white photographs. The colour plates are borrowed from a Victorian fern book.