Editions of Need to know

Paperback, 464 pages

English language

Published Nov. 30, 2007 by Pegasus Books.

Paperback, 464 pages

Published July 20, 2007 by Sidgwick & Jackson, Pan Books.

Hardcover, 320 pages

Published June 3, 2006 by Sidgwick & Jackson.

Paperback, 320 pages

Published Dec. 27, 2006 by Sidgwick & Jackson Ltd.

452 pages

English language

Published Nov. 13, 2007 by Pegasus Books, Distributed by Consortium.