Adam Smith Books
Selection of modern first editions.
http://www.adamsmithbooks.com/

Babcock Books
Modern first editions of fiction, poetry, detective and science fiction with emphasis on signed books, notable writers and literary prizewinners.
http://www.babcockbooks.com/home.php?pageName=Home%20Page

BMD Books
Modern first editions, mostly mystery, science fiction and fantasy.
http://www.bmdbooks.com/

Cromwell Books
Used and rare books in all conditions from reading copies to collectible first editions.
http://www.cromwellbooks.com/

Gembrooks Books
Signed and unsigned modern first editions.
http://www.gembrooksbooks.com/

Ken Hebenstreit, Bookseller
First editions of 20th century literature, fiction, mysteries, suspense and fantasy.
http://www.khbooks.com/

Legends Fine and Rare Books
British and American collector quality modern first editions. Specializing in mysteries and thrillers.
http://www.legendsbooks.com

Nooks of Books
Graded first editions across a wide range of searchable categories, many signed. Online/offline search services.
http://www.nooksofbooks.com

Sandstone Books
Modern first editions of fiction books, from 1925 to the present.
http://www.sandstonebooks.co.uk/

Sawtooth Booksellers
Modern first editions of mysteries and fiction and modern literature, including many signed books and uncorrected proofs.
http://www.sawtoothbooks.com/home.php?pageName=Home%20Page