20th Century Books Ltd. are specialist dealers in collectable books, with an emphasis on children's books, modern first editions, and crime fiction. On this site you will find specialist collector's pages dedicated to individual authors and series of books. We provide colour photographs of the books we are selling, together with detailed descriptions.

Our list of specialist pages currently includes the William books of Richmal Crompton, the Famous Five books by Enid Blyton, the Secret Seven books by Enid Blyton, the Biggles books by Captain W.E. Johns, and P.G. Wodehouse. Each of these pages contains a wide variety of first editions, reprints, and ephemera for sale. Details of how to order books are contained on the individual pages. We accept major credit cards, and PayPal, and we ship worldwide.

In addition to our specialist lists, we carry a wide variety of fiction and non-fiction books. Our complete stock may be browsed or searched at abebooks.com.