This edition originally published: 2006.
CD-ROM and CD in pockets attached to inside back cover.
"'Interchange Third Edition' has been developed from 'New Interchange', first published by Cambridge University Press, in 1997"--title page verso.
Interchange. Full contact 2B. Student's book by Jack C. Richards. ISBN 9780521686709. Published by Cambridge University Press in 2009. Publication and catalogue information, links to buy online and reader comments.