Cambridge, MA: Harvard University Press, 2006. Oblong octavo, black cloth. pp (8), 264. Colour photos. Fine in fine jacket. Note: 2 kg parcel, extra postage may be required.

Washington, D.C: Smithsonian Institution Press, 2000. Tall octavo, card covers. pp xxii. 280pp, 43 b/w text figurs, index. Fine copy.

New York: John Wiley, 2000. Second edition. Small quarto, glossy pictorial boards. pp x, 465. 51 b&w photo plates, illustrations in text, references. Small paper loss to lower inner corner of front pastedown from removed sticker, else fine. In print at USD 456.00 (07/16). Note: 1.5 kg parcel, extra postage may be required.

Wallingford, OX / Cambrdige, MA: CAB International / The Natural History Museum, 1994. Thick quarto, glossy pictorial boards. pp viii, 998. Photos, illustrations, bibliography, index. Fine copy, no owner marks. Note: 2.5 kg parcel, extra shipping will be required.

Ithaca, New York: Comstock / Cornell University Press, 1995. Octavo, grey cloth. pp xviii, 302 + colour photos. Illustrated, index. Fine in fine jacket.

Buffalo, New York: Firefly Books, 1998. Quarto, yellow boards. pp 312. Colour and b&w illustrations, maps, index. A fine copy, lacking the dust jacket. Translated from the Italian. 2 kg parcel.

London: Chapman & Hall, 1992. Tall octavo, glossy pictorial boards. pp (xiv), 490. Colour and b&w photos, index. Fine copy. Note: 2 kg parcel, extra postage may be required.

San Diego, CA: Academic Press, 2003. Quarto, brown boards. pp (xxviii), 1266. Colour and b&w illustrations, index. Fine in fine jacket. "The Encyclopedia of Insects is a comprehensive work devoted to all aspects of insects, including their anatomy, physiology, evolution, behavior, reproduction, ecology, and disease, as well as issues of exploitation, conservation, and management. Articles provide definitive facts about all insects from aphids, beetles and butterflies to weevils and yellowjackets." In print at USD 123.00 (2017). Note: 4 kg parcel, extra shipping will be required.

New York: Plenum Press, 1991. Third printing. Tall octavo, card covers. pp xviii, 729. Illustrated, index. Ink owner name at front, else a VG clean and unworn copy, no marks in text. Note: 2 kg parcel, extra postage may be required.

Fribourg, Switzerland: MTL - Mauron & Tinguely & Lachat, 1997. Octavo, printed boards with colour covers label. pp (xii), (571). Charts, maps, photos, illustrations, index. Fine copy. Edition of 700 copies. 1.6 kg parcel.

Toronto & Buffalo: Firefly Books, 2002. Large quarto, blue boards. pp 240. Colour illustrations, index. Fine in fine jacket. 2 kg parcel.

New York: Macmillan, 1978. Octavo, black cloth without jacket, as issued. pp (xii), 798. Illustrated, index. Fine copy, no owner marks. 2 kg parcel.

Cambridge, MA: Harvard University Press, 1996. Cloth & boards. pp (xiv), (290). Illustrated, index. Fine in fine jacket.

Guilford, CT: The Lyons Press, 1997. Quarto, glossy card covers. xvi,366. Colour photos, illustrations by Robert Cormier, bibliography, index. Fine copy. "This really is the new bible on mayflies...(it includes) all the latest information from anglers and professional entomologists alike. This book will be the flyfisher's key to success with all the great mayfly hatches on North American trout waters .where, when and how [mayflies] emerge and lay eggs, .the best angling tactics .and the best imitations for fishing all the life stages of these important insects". Note: 1.5 kg parcel, extra postage may be required.

New York: Norton, 2002. Cloth & boards. Photos, glossary, index. Fine in fine jacket.

Berkeley: University of California Press, c1998. Quarto, card covers. pp (x), 276. Illustrated, index. Fine copy. 1.5 kg.

Genève [Geneva]: Muséum d'histoire naturelle, 2002. Tall octavo, green cloth. pp (xlii), 745. Fine copy. Instrumenta Biodiversitatis V. Note: 2.5 kg parcel, extra shipping may be required.