
by Jack Croxall
Time TravelAdded on January 12, 2026
Mass Extinction isn't what it used to be...Dr. Ina Adama time travels back to the dinosaur extinction only to discover another human being in Late Cretaceous Africa. And he has some very, very bad news.Extant is a sci-fi novella and is the first book of the Extant series.
I loved Extant and I’m giving it five stars without hesitation. I loved it so much that I devoured it in one sitting. I mean, come on. A time traveler headed back to the Cretaceous, just days before the mass extinction event that killed the dinosaurs? That is such a cool premise on its own, let alone expanding on it like Croxall does in this novella. Let me say it again; time travel and dinosaurs. So cool!There are welcome tidbits of environmentalist themes mixed in amongst the descriptions of p
The first third of Extant is just transmissions of Dr. Ina Adama doing research and it was a little hard for me to get through. It's difficult to write a compelling narrative with only one person involved. It can be done; The Martian works because Mark Watney is bursting with personality. Adama has a personality, but she isn't bursting with it.However, the details about dinosaurs were really cool, and I enjoyed the intermittent riddles, so there was plenty to keep me reading.When Callum Everett
2.75 stars, rounded up to 3 for Goodreads.This was a well written novella, but....kind of boring? Unfortunately. Things...sort of looked up once we were introduced to the secondary character, but the 'cliffhanger' wasn't a surprise for me. It's a quick popcorn read, just....slow? I might continue the series, who knows.