By authors: Edwin James, Stephen Harriman Long, Thomas Say ISBN: 978-1-4290-0088-8 Product Format: Paperback
By authors: Edwin James, Stephen Harriman Long, Thomas Say ISBN: 978-1-4290-0084-0 Product Format: Hardback
By authors: Edwin James, Stephen Harriman Long, Thomas Say ISBN: 978-1-4290-0089-5 Product Format: Paperback