|   | by Philip & Balmer, Edwin WylieMass Market Paperback details (United States). details (UK). details (Germany). details (Canada). ISBN: 978-0-446-52180-2 ISBN-10: 0-446-52180-9 Paperback Library · 1962 | 
| See also (possibly by other authors): | ||
| 2015 | Paperback | When Worlds Collide (Volume 1) | 
| 1999 | Paperback | When Worlds Collide (Bison Frontiers of Imagination) |