Bloomsbury USA is a general interest publisher of adult and children's books. Established in 1998 as an American subsidiary of Bloomsbury Publishing PLC (British publisher of, among others, J.K. Rowling) they are the publisher of the bestselling books Jonathan Strange and Mr. Norrell, Rats, Schott's Original Miscellany, My Horizontal Life , and Kitchen Confidential ; as well as works by award-winning writers Alan Hollinghurst, William Boyd, Melissa Fay Greene, Robert Sullivan, and David Leavitt.

Bloomsbury USA's children's list was launched in 2002 and includes such bestsellers as Faerie Wars by Herbie Brennan and Princess Academy by Shannon Hale; other acclaimed authors include Margaret Atwood, Dale Peck, Celia Rees and Sloane Tanen.

In 2005 Bloomsbury acquired the adult and children's divisions of Walker and Company, publishers of the bestselling books Longitude, Brunelleschi's Dome, and Salt.

And in the winter of 2008, Bloomsbury launched Bloomsbury Press, an imprint focusing on serious nonfiction under the editorship of Peter Ginna.