Undersea Quest 1st UK Edition, 12.7 x 20 cm brown boards with silver stamped titles to the spine, 189 [3]pp with unclipped dust jacket priced at 15s. Undersea City, 1st UK Edition, 12.7 x 20 cm black boards with silver stamped titles to the spine, 188pp with unclipped dust jacket priced at 21s. Undersea Fleet, 1st UK Edition, 12.7 x 20 cm black boards with silver stamped titles to the spin,e 187[1]pp with unclipped dust jacket priced at 21s. Both Undersea City and Undersea Fleet have been signed by both Frederick Pohl & Jack Williamson. Undersea Quest has clean boards with slight very faint mottling and only the merest hint of shelf wear. Internally clean, without name, inscription or bookplate and just a touch of spotting to the edge of the text block. The dust jacket has a little dust staining to the rear and toning to the spine with a fine 1cm line at the top of the spine. There is no rubbing to the spine tips and the merest hint to the corners. Undersea City is in excellent condition with clean bright firm boards. Internally clean, with just the authors’ signatures on the title page and some spotting to the edge of the text block almost exclusively along the top edge. The dust jacket is bright and unfaded with a tiny 2mm tear on the top edge of the front panel and a hint of rubbing to the corners only. Undersea Fleet has clean, firm boards with the merest touch of shelf wear. Internally clean, with just the authors’ signatures on the title page and some spotting to the edge of the text block almost exclusively along the top edge. The dust jacket has some spotting and is a little toned on the spine. The white on the rear panel is lightly dust marked. All in removable clear covers (not shown). All in all, a lovely 1st UK Edition set with the added benefit of the author’s signatures in two of the three books.