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We can't tell you who we are. Or where we live. It's too risky, and we've got to be be careful. Really careful. So we don't trust anyone. Because if they find well, we just won't let them find us. The thing you should know is that everyone is in really big trouble. Yeah. Even you. Two of the free Hork-Bajir living on Earth have brought the Animorphs and Ax a terrifying discovery: Visser Three has tried- unsuccessfully-to create a race of amphibious Hork-Bajir. It seems Visser Three has show more become fixated on the sunken Pemalite ship he glimpsed and lost (book #27). So, he has arranged the construction of a fabulous new underwater Yeerk craft he calls "SeaBlade," that will be able to locate the Pemalite ship along with it's advance technology. The Animorphs and Ax know they can't let the Visser find the ship. So, after they acquire orca morphs it's a battle between the SeaBlade and six killer whales. But after damaging the SeaBlade, the kids and Visser Three make a startling discovery: an underwater civilization, a sort of reallife Atlantis populated by mutated humans (gills and lungs) who call themselves Nartecs and live in huge underwater caverns filled with air. The Nartecs seize sunken vessels from the oceans of the world, adapt the ships' technology, and mummify the crews. So now, the Animorphs and Ax need to survive the encounter with the Nartec and still completely destroy the SeaBlade (whose technology would allow the Nartec to create havoc in the world's oceans). And in order to do this and escape the Animorphs and Ax will Actually have to fight alongside Visser T. show lessTags
Recommendations
Member Reviews
it's always fun to see versions of atlantis that are decidedly not utopian, and the horror element to it is a really good addition to the nightmares these kids are already going through.
Only ok. Not terrible but not the best in the series either.
A short comment for every book of the series until I get a chance to re-read them. All three of my sons and I loved this series and read every single book - I even bought every single book (most, but not all, used; some through school book sales). I'm excited to re-read them to see how the five main characters develop and to watch all the different transformations again.
Well that was highly disturbing
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Simulated Reality in Fiction
124 works; 7 members
Books Read in 2019
4,052 works; 110 members
Scientific experiments (sci-fi, fantasy, realistic) - children's/YA fiction
15 works; 4 members
Author Information

352+ Works 90,318 Members
Katherine Applegate was born in Michigan on July 19, 1956. She writes science fiction, young adult romances, and pop-up books. She is the author of the Making Waves, Making Out, and Roscoe Riley Rules series. She writes the Animorphs, Everworld, and Remnants series under the pen name K. A. Applegate. She also writes under the pen names of C. show more Archer, Catherine Kendall and Elizabeth Benning. She has received numerous awards including a Golden Duck Award (Eleanor Cameron Award for Middle Grades) for The Message in 1997, the SCBWI 2008 Golden Kite Award for Best Fiction and the Bank Street 2008 Josette Frank Award for Home of the Brave, and the 2013 Newbery Medal and the Rebecca Caudill Young Readers' Book Award (Illinois) for The One and Only Ivan. (Bowker Author Biography) show less
Series
Work Relationships
Common Knowledge
- Canonical title
- The Mutation (Animorphs #36) (Animorphs #36)
- Original title
- The Mutation
- Original publication date
- 1999-12
- People/Characters
- Jake [in Animorphs]; Cassie [in Animorphs]; Tobias [in Animorphs]; Rachel [in Animorphs]; Marco [in Animorphs]; "Ax" Aximili-Esgarrouth-Isthill (show all 8); Esplin 9466 (Visser Three); Queen Soco
- Important places
- USA; Atlantis; Pacific Ocean
- First words
- A phone call at three A.M. is rarely a good thing.
- Disambiguation notice
- The author, K. A. Applegate, has two different books with Mutation in the title. Each book goes with different series. One is titled The Mutation and the other one is titled just Mutation.
Classifications
- Genres
- Fiction and Literature, Kids, Tween
- DDC/MDS
- 813.54 — Literature & rhetoric American literature in English American fiction in English 1900-1999 1945-1999
- LCC
- PZ7 .A6483 .M — Language and Literature Fiction and juvenile belles lettres Fiction and juvenile belles lettres Juvenile belles lettres
- BISAC
Statistics
- Members
- 711
- Popularity
- 39,999
- Reviews
- 5
- Rating
- (3.32)
- Languages
- English, French, Italian, Norwegian (Bokmål)
- Media
- Paper, Audiobook, Ebook
- ISBNs
- 12
- ASINs
- 4
































































