First editions, first impressions; 15 vols (complete); 8vo (194 x 138 mm, 7¾ x 5½ in); frontispieces and illustrations by George Brook, Bruno Kay, and Burgess Sharrocks, Puzzle For the Secret Seven is the publisher's 'File Copy', stamped accordingly on the upper dust-flap, free endpaper and half-title, consequently this copy is internally mint, Secret Seven Mystery with the original wraparound banner announcing; 'The Latest Secret Seven Story'; some with spotting to text block edges with the very occasional encroachment to a few page extremities, some spotting to a few endpapers, minor spotting to first few leaves of the second title, but most near-fine or fine internally, none with ownership names, inscriptions or 'this book belongs to' filled in, illustrated dust-jackets with prices intact, except for one - Secret Seven on the Trail, some with minor chips and creasing, a few with mild spotting and dust-soiling, closed tear to upper edge or front panel of the second title and some minor, professional repairs to third, fourth and fifth titles only, otherwise all very good An extremely good, complete first edition set of the 15 full-length Secret Seven novels, scarce to find together in collectable condition. The first title has the publisher's 'file copy' stamp to the upper pastedown; 'no. printed} 35,000 [figure written in ink], Date pub.} 28/1/49' [date written in ink]. None of the titles has any manuscript names and only one dust-jacket has been price-clipped (Secret Seven Win Through).