Leyshon's Railroad Books  
   Used and out-of-print railroad books.
   http://railroadbooks.com/

Kevin T. Farrell Train and Trolley Books  
   Varuety of used and rare books in the specialty.
   http://www.trainbooks.com/

Yesteryear Railwayana  
   Rare and out-of-print books and printed material relating to railway history.
   http://www.yesrail.com/

Railroad Books  
   Older and out of print railroad books, magazines and encyclopedias for sale.
   http://home.att.net/~jrmilnot/index.html

Railbooks.com  
   Specialising in rare and unusual books about railways, tramways and trolley buses worldwide. In categories from Accidents to Underground.
   http://www.railbooks.com/

Nick Tozer Railway Books  
   Second-hand railway books and magazines; offers railway booksearch service.
   http://ourworld.compuserve.com/homepages/nick_tozer/

Batterdale Books  
   Secondhand railway, tram and canal books; mainly British, but some overseas titles.
   http://hometown.aol.com/GBSteven/

Gordon's Car Books  
   Selection of books about famous makes.
   http://gordons-trs.freeservers.com/catalog.html

Motoring Books for Collectors  
   Rare and used classic car books and magazines from the collection of Mr John M Finch.
   http://www.waterrow.org.uk/motoringbooks/

Robert Humm and Company  
   Rare, secondhand and out of print books on Railways, Tramways, Aviation, Shipping, Canals and Industrial and Commercial History. Also supplies new books on Railways.
   http://www.roberthumm.co.uk/

MotorLit  
   Diverse selection of rare and out-of-print automobile books, literature and automobilia.
   http://www.motorlit.com/

GWR - Gerald Baker  
   Railway books, and material linked to the Great Western Railway.
   http://www.gwrpublicity.co.uk

Factory Service Manuals  
   Used factory service manuals for automobiles bought and for sale.
   http://home.swbell.net/swmills/

Albaco Collectables  
   Offers rare and hard to find used Ferrari magazines, books, owners' manuals, posters, and diecast models.
   http://www.albaco.biz/

Derek Vanstone Aviation Books  
   Secondhand and out of print aviation books bought and sold
   http://website.lineone.net/~derek.vanstone/

Green Mountain Motorbooks  
   New and vintage motor sport books. Includes both marque history, techology, driving, restoration and repair.
   http://vtmotorbooks.twtg.net/

Collectors Carbooks  
   Specialists in out of print and new motoring literature.
   http://www.collectorscarbooks.co.uk/