As a two volume set:
Hard cover ISBN: 1593118678
,
Soft cover ISBN: 159311866X
As separate volumes:
Hard Cover - Vol 1 ISBN: 1593118635
,
Vol 2 ISBN: 1593118651
Soft Cover - Vol 1 ISBN: 1593118627
,
Vol 2 ISBN: 1593118643
Communities of Practice: Creating Learning Environments for Educators: Vol. 1
Communities of Practice: Creating Learning Environments for Educators: Vol. 2