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Critical Mass

The 6th Extinction #3

Critical Mass

Tara Ellis

Publication
September 9, 2025

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About the series

The 6th Extinction

Books in series
3
This book
#3
The 6th Extinction

Reading order

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Books in series order. The current book is highlighted.

#1First Impact #2Existential Threat #3Critical Mass #4 · Coming 2027The 6th Extinction Book 4