Socialism

International Publishers
Books by Marx and Engels, and selected books by Lenin and other Marxist scholars and activists.
http://www.intpubnyc.com/

Left Books
Political books, videos and other materials.
http://www.leftbooks.com/

Socialist Party: Order books online
Offers a selection of socialist books for sale.
http://www.socialistparty.org.uk/Resourcesframe.htm