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A time gate... A team of fossil hunters... A desperate fight to survive....In book 5, Hannah and the other survivors arrive in the ice world of the Pleistocene, bare of trees and with almost no animal life. Starving, with no other game to hunt, they must take on the mighty Mammoth and his wicked tusks. Can they survive the freeze long enough to jump back to modern times?

225 pages, Kindle Edition

Published February 9, 2017

71 people are currently reading
24 people want to read

About the author

Lou Cadle

32 books125 followers
Lou Cadle grew up in Tornado Alley near the New Madrid fault, was in San Francisco's 1989 earthquake, watched minor eruptions of Mt. St. Helens from close up, and hiked several times over Kilauea's active lava flows. Cadle currently lives in haboob country.

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5 stars
81 (58%)
4 stars
45 (32%)
3 stars
12 (8%)
2 stars
1 (<1%)
1 star
0 (0%)
Displaying 1 - 14 of 14 reviews
425 reviews3 followers
February 13, 2017
No way

So motherhood becomes her. Dixie has a heart or two. Sorry to see the team split up. Am very unhappy with this ending. Think Clover Field almost. There is no closure. Come on Lou. Book six. Don't leave us hanging.
Profile Image for Mary Ann.
2,746 reviews11 followers
May 29, 2017
The first half of this story was really as great as the previous ones. My disappointment came in the conclusion of the series. The author had a difficult chore in bringing the series to a close. I appreciated the growth of the characters involved, but I question the ending.
Profile Image for Thistle.
1,106 reviews20 followers
May 8, 2024
Reread in 2024:

Quick synopsis : Two adults and nine teenagers travel through different prehistoric time periods.

Brief opinion : I really enjoyed this series a lot. It was a lot of fun to read. [Originally read in 2017. Happily I didn't remember anything at all other than one plot twist, it was like reading it again for the first time.]

Plot : Through the final three books, the group ended up in various times. There were encounters with giant predators, needing to build shelter each time they time-jumped (about once per month), needing to find food, hunt, gather, make fire, all that.

Writing/editing : For a self-published book series, all five books written in a year, it was surprisingly good. Each book had more editing/grammar issues than the one before, but it never got bad.

What I Liked/What I Didn’t Like : I liked most of the books. In the later books there were flashbacks I skimmed, and in the earlier books some of the teenage Drama was a lot, but all in all these five books were an enjoyable read.

However, each book was really short. Like 2-3 hour reading time (YA books generally take me about 4 hours, adult books 8+). This series felt more like one or maybe two books, not five.

Rating: 1-Hated / 2-Disliked / 3-Okay / 4-Liked / 5-Loved : I should have at least decided the star rating before going on to the next book, but I didn't even pause between books.

Hell Pig: ⭐️⭐️⭐️⭐️ / 4 stars, liked
Killer Pack: ⭐️⭐️⭐️⭐️ / 4 stars, liked
Mammoth: ⭐️⭐️⭐️⭐️ / 4 stars, liked

Series overall: ⭐️⭐️⭐️⭐️ ½ / 4 and a half stars.

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Original review:

In book one, a park ranger (Hannah) lead a class of a dozen advance science students, their teacher, and another fossil expert into a canyon on a fossil hunt, and by chance they stumbled onto a rip in time that sent them into the distant past, into prehistoric times. Every month that rip opens again, which means that through the series, they also moved through time.

As I said in my review of one of the earlier books, the author is an expert on survival situations, and that completely showed. All through the series, their struggle to survive was completely realistic and believable. With every jump, the group needed to quickly learn their new environment, how to hunt in it, find water, build a shelter, and just stay alive. In some of the times (like the final book), the environment was nearly harsh enough to kill them right off the bat. In other books, giant predators could kill them just as quickly.

The last book, Mammoth, had them time-jumping to a more modern time, which you would think after their adventures in prehistoric times would be boring, but it completely was not. Somehow it was just as interesting as those much older times!

Sadly, the author said book 5 is the end of the series, though he might write in this world again in the future. Fingers crossed!

I completely loved not just this whole series, but the author's writing in general. I started his next series, Grey, as soon as I finished this one last night.

It's only now that I'm writing this review that I realized two things:

* Because of how short these books were, I thought they were YA. Nope! They are seriously short though, maybe 2-3 hours of reading each. (YA books usually take me about 4 hours, adult books 6-8.)
* These books were self-published! WOW. Not just were they all very well written, the editing in them was outstanding. I found maybe four errors in the whole series, which is at least as good as traditionally published books. This is especially impressive when you know that he wrote and published all five of these books in a single year.
Profile Image for Cassandra Stryffe.
88 reviews6 followers
February 9, 2017
I will miss these characters and this world.

The final time gate jump left me almost in tears, not because the story was sad, but because I knew there was no more story left. Then I read the afterword and nearly cheered when Lou wrote that there was a possibility of revisiting this series. Lou...if you're reading this I'm not above bribing you to write more!
Profile Image for Valerie.
177 reviews1 follower
July 11, 2017
Last of the series, bit anticlimactic and a terrible ending. The author said they enjoyed writing the series and that they planned on this being the last in the series, in that case they should have ENDED it not given the impression that there could be more to the story. I really liked the series but to be honest if I had known how lackluster and dissatisfying the ending was I probably would not have read it.
This entire review has been hidden because of spoilers.
Profile Image for Mary.
156 reviews2 followers
July 5, 2018
I truly enjoyed the entire series so much. When it came to the end I yelled out a loud "No!". I really didn't want it to end that way with so many things left to do. It would have been awesome to know where the others landed and how Dixie copes with having a baby. Mr Cadle please do another book or 3 for this series?!
6 reviews
Read
July 23, 2023
Just a wonderful series

I was surprised at how much I loved this series . I fell in love with the characters and was sad when I read the last book. It was like losing friends. The stories and writing was excellent.
Profile Image for Peggy Pancherz.
1,173 reviews6 followers
September 19, 2017
Good book

Read all of the books in order to really enjoy. Characters are realistic and get better and better. Storyline continues to grow and develop.
Profile Image for Tammy.
17 reviews
April 23, 2018
Love this series!

This entire series was awesome! Each book was well written and kept you interested. I hope to see more written with these characters!
175 reviews15 followers
November 7, 2019
I am sorry to see this series come to an end as I will miss the characters as well as the adventure.
The ending is surprising and unexpected.
Storytelling at its best and never a dull moment.
Profile Image for Cynthia Terrones .
193 reviews10 followers
February 28, 2017
LOU CADLE IS THE BEST AND THIS BOOK PROVES IT!

Lou Cadle is the best and this book, this whole series proves it. I loved Mammoth, as this next book in the series brings everyone closer to home. This book is a must read as Hannah, Bob and all the rest do what they must to survive and try to get home to their family and loved ones. They have one surprise after another as they trek through and out of the Ice Age into what they hope is their last jump, but one final surprise shocks them all. Lou Cadle did such an awesome job with this series and I for one am hoping for more. This series is definitely something people of all ages could enjoy and I'm glad to recommend it to everyone I can. Definitely a 5 star review if not more. Mr. Cadle, keep the books coming.
Profile Image for Jeanne Brandon.
11 reviews
February 24, 2017
Dawn Of Mammals Series

This series was very riveting and held the readers attention till the last page! The characters were well rounded and all the times visited added to the storyline. I do hope Lou, that you revisit this storyline in the future because it is still left up in the air for both groups. Thank you for your imagination!
Profile Image for JUDY HUTSON.
4 reviews1 follower
February 10, 2017
Excellent Series

this was an excellent series. Loved each book and couldnt wait for the next one. Was sad to learn that Mammoth was the last in the series. Hopefully there will be more to come from other characters prospective. To not know where they finally land is such a cliff hangar.

Faster Mr Cadle, must write faster. Can't get enough of your work.
17 reviews
March 29, 2020
Good reading

Enjoyed this book was easy to follow the careriters where what one would expect out of a bunch of teenagers sorry to see the end but I wouldn't have to go any other way hope there's a spin off on the one that made the last jump would be nice to see how they faired and if they made it home
Displaying 1 - 14 of 14 reviews

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