London, Methuen & Co., 1924; 1926, 1927; 1928. . First editions, first impressions of the four Pooh books, When We Were Very Young in the second state, with the page number ix present in the preliminary leaves; 4 vols, 8vo (192 x 130 mm); illustrated throughout by E.H. Shepard, first title with very mild spotting to half-title, else near-fine, minor spotting to half-title and the odd minor mark to second title, the remaining two fine; modern full morocco in the respective cloth colour of the original and also with the relevant gilt blocks to front covers, original illustrated 'map' endpapers to Winnie-The-Pooh, all edges gilt and contained within a custom-made slip-case. Milne's first volume (When We Were Very Young) was published in November 1924 and was such a resounding success that the subsequent three titles followed in quick succession. This is a superbly bound, first edition set of a children's classic.