2005 - The Chasm Companion a Field Guide to Crossing the Chasm and Inside the Tornado [Revised] (Paperback) ISBN-13: 9781841124681 ISBN-10: 1841124680 Genre: Business & Money ? 2002 - The Chasm Companion a Fieldbook to Crossing the Chasm and Inside the Tornado (Paperback) ISBN-13: 9780066620558 ISBN-10: 0066620554 Genres: Business & Money, Science & Math 2 |