100 Aker Books - Used and out-of-print books. Specializes in children's books; also holds humor, biographies, and entertainment.
Aleph-Bet Books - Collectible and rare children's and illustrated books.
Ampersand Books - British dealership which buys, sells, repairs, and researches pop-ups, movables, dimensional, interactive and children's novelty books. Ships internationally. Mail order only.
ArchBooks - Collectible, rare and out-of-print children's and illustrated books. Registration required.
The Book Safari - Popular series books dating back to the 1930's. Condition of books is graded and described in detail. Most covers are pictured. They also buy and trade books. (Phone and e-mail orders only.)
Books On The Shelf - Secondhand books for children, including some collectors' items.
Cathy's Book Corner - Juvenile series, classics, illustrated, picture, golden, early readers and school texts, fantasy, folklore, pop-up books.
Cellar Door Books - Specializes in the works of Tasha Tudor; includes prints, cards, and original art.
Childhood Books - Specializing in out-of-print, used and other hard-to-find children and juvenile books.
Children's Bookshop - Specialists in childrens used books - for children, collectors and researchers.
ElephantBooks.com - A primary source for out-of-print, rare, and used children's books in stock. Shipping is promised within 24 hours.
Gill Bilski - Books for sale, mostly children's with an emphasis on girls' fiction.
The Happy Hollisters by Jerry West - Information on the Happy Hollister 33 book series, its publisher and writers. Books are also available for sale.
Kidz Books - British sellers of second-hand children's books. Site also features games, polls and puzzles.
Kineton Books - Collectible children's books; many with scannned view. Minimum purchase requirement.
March House Books - Illustrated and general children's books. Rare and out of print books - newer books, magazines, comics and ephemera.
Nikki's Book Nook - Used, secondhand and hard-to-find children's books, searchable and categorized.
Only Blyton - Selection of Enid Blyton books, toys, and games.
Only Nancy Drew - Vintage Nancy Drew books, memorabilia and information.
Purple House Press - Offering reissued publications of books from the 1940s-1960s.
The Reading Well - Used, rare and out-of print books. Condition of all books is graded. (Email orders only.)
Stella & Rose's Books - Specialists in rare and out of print children's and illustrated books.
Tom Swift - Tom Swift and His Amazing Works Catalog. An extensive reference guide. The catalog contains information covering dust jackets, book binding types, variations and titles from all four Tom Swift series.
Topsy Turvy Childrens Books - A pair of British collectors who buy and sell used children's books. They ship internationally. Condition of all books is graded. (Email orders only.)
Windmill Books - Secondhand and rare children's books, annuals and collectables.
Windy Hill Books - Out of print and collectible childrens books.