Caspak books in order

The Caspak series by Edgar Rice Burroughs is a lost world trilogy set on a mysterious island where evolution runs in reverse, published in 1918.

Reading order

# Title Published Author Buy on Amazon
1 The Land That Time Forgot 1918 Edgar Rice Burroughs Buy
2 People Out of Time 1918 Edgar Rice Burroughs N/A
3 The People That Time Forgot 1918 Edgar Rice Burroughs Buy
4 Out of Time’s Abyss 1918 Edgar Rice Burroughs Buy

The Caspak series is a lost world adventure set on the mysterious island of Caspak (also known as Caprona), where evolution works differently from the rest of the world. The Land That Time Forgot (1918) introduces the island when a World War I submarine crew discovers it, finding dinosaurs, primitive humans, and advanced civilizations coexisting.

The People That Time Forgot and Out of Time’s Abyss continue the exploration, each following different characters deeper into Caspak’s mysteries. The trilogy is a compact, fast-paced example of Burroughs’s talent for creating exotic worlds filled with danger and wonder.

Frequently Asked Questions

How many books are in the Caspak series?

There are 4 books in the Caspak series, published in 1918.

What is the first book in the Caspak series?

The first book in the Caspak series is The Land That Time Forgot, published in 1918.

What is the Caspak series about?

The Caspak series is set on the lost island of Caspak (Caprona), where explorers discover a world where evolution unfolds in strange patterns, with all stages of human and animal development existing simultaneously.

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