Series
Caspak Universe
Edgar Rice Burroughs & Mike Wolfer · 4 novels · 1918–2025
The Caspak trilogy — The Land That Time Forgot, The People That Time Forgot, and Out of Time's Abyss — is Edgar Rice Burroughs's 1918 adventure sequence set on a hidden Pacific island called Caprona, where a World War I-era U-boat crew discovers an isolated world of dinosaurs and successive stages of human evolution living side by side. The story was later adapted into comics by Mike Wolfer, credited alongside Burroughs.
Summary by Loreful, from public sources
- Genre
- Theme
- Place
- Time
- Tone
- Audience
Reading order
- Caspak(3 works)
- Omnibus editions(2 editions)
Map
Caspak Universe at the centre, 2 subseries around it, its books fanned around what holds them. Pick anything for its details, and zoom out for similar series in orbit — the reading order above lists the same books as text.
Stats
By decade
- 1910s3
- 1920s0
- 1930s0
- 1940s0
- 1950s0
- 1960s0
- 1970s0
- 1980s0
- 1990s0
- 2000s0
- 2010s0
- 2020s1
Shape
Mood
Bright and intense: 100% of this series' placed works, the catalog's 44%.
this series · the catalog · one dot = one book4 of 4 works carry a tone
Edges of the map
- Out of Time's Abyssdarkest · most intense
- The Land That Time Forgotbrightest · calmest



