When Worlds Collide books in order

The When Worlds Collide series by Philip Wylie follows humanity's response to a planet on a collision course with Earth across three books.

Reading order

# Title Published Author Buy on Amazon
1 When Worlds Collide 1932 Philip Wylie Buy
2 After Worlds Collide 1933 Philip Wylie Buy
3 The Terrans of Beta 2011 Philip Wylie Buy

Philip Wylie’s When Worlds Collide (1932), co-written with Edwin Balmer, is one of the foundational disaster novels of science fiction. The story follows scientists and engineers racing to build a spacecraft that can carry a small group of survivors to a new world before a rogue planet destroys Earth. After Worlds Collide (1933) picks up with the survivors on their new planet, facing the challenges of starting civilization over.

The 1951 film adaptation made the story a lasting part of popular culture, and the books remain readable as early examples of the “planetary disaster” subgenre. The Terrans of Beta (2011) is a much later addition that continues the story, though the original two books are the ones that established the series’ reputation.

Frequently Asked Questions

How many books are in the When Worlds Collide series?

There are three books in the When Worlds Collide series, published between 1932 and 2011.

What is the first book in the When Worlds Collide series?

The first book in the When Worlds Collide series is When Worlds Collide, published in 1932.

What is When Worlds Collide about?

The original novel follows humanity’s desperate attempt to survive after scientists discover that a rogue planet is heading toward Earth. A small group races to build a spaceship to escape to the planet’s companion world before the collision destroys everything.

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