The Animorphs TV series loosely follows the plots and situations occurring in the books by K.A.Applegate. The following is a guide to these books. Click on the title of a book to view its book cover. (for books 1-20 only)

    Rating system is as follows:
  • *--not so good
  • **--average
  • ***--good
  • ****--great
  • *****--excellent




Books 1-10| Books 11-20| Books 21-34| Books 35-52 | Other books


Books 1-10


The Invasion

rating: *****

aliens encountered: Taxxons, Hork-Bajir, Andalites

new characters: everyone

narrator: Jake

Summary: Jake, Cassie, Rachel, Tobias and Marco are walking through an abandoned construction site when suddenly they discover a crashed alien ship, with a dying alien inside. The alien is an Andalite named Elfangor, who gives the five kids the power to morph before he is killed by the evil Visser Three. As the five Animorphs, as they name themselves, try out different morphs, they learn more and more about the Yeerks, and how they may be able to defeat them.


The Visitor

rating: *****

aliens encountered: Visser Three

new morphs: shrew, cat

new characters: Melissa Chapman

narrator:Rachel

Summary: Rachel's friend Melissa Chapman has been acting funny--she just may be a Controller. It is up to Rachel and the other Animorphs to spy on Melissa and find out. In the end they discover that it is not Melissa who is a Controller, but her father, vice-principal Chapman.


The Encounter

rating: *****

new characters: Tobias's hawk friend

narrator: Tobias

Summary: Ever since that eventful night flying above the Yeerk pool, Tobias has been trapped in hawk morph, living his life as a hawk with no morphing powers. Most of the time he feels useless to the Animorphs. Then one day Tobias decides to take his own life. Can Rachel stop him before its too late?


The Message

rating: *****

new morphs acquired:dolphins, seagulls

new characters:Aximili-Esgarrouth-Isthill

narrator: Cassie

Summary: Cassie has been receiving mysterious messages from somewhere deep in the ocean. Is it just a hallucination, or something worth checking out? The Animorphs learn soon enough when they morph dolphins to track down the source of the message....


The Predator

rating: ****

new characters:Visser One (Marco's mom)

narrator: Marco

Summary: Marco's mom died a few years ago, and ever since then, he's felt it's his responsibility not to die or leave his father; after all, he's all his father's got. That's why he never wanted to join Animorphs. In all the struggles and fights, there was a high chance that he could get killed. So why fight the Yeerks? Then, suddenly, Marco discovers something that changes his opinion about fighting the Yeerks completely...


The Capture

rating: ***

narrator:Jake

Summary: The Animorphs thought they had enough problems--until Jake accidentally falls into a Yeerk pool and becomes a Controller --a morphing Controller. It's up to the Animorphs to get the Yeerk out of Jake's head before all their secrets are revealed to the enemy.


The Stranger

rating: *****

new aliens encountered: Ellimist

narrator: Rachel

Summary: The Animorphs encounter the Ellimist, a strange alien creature who freezes time and sends them to the future, so that they might see how the future would be if they give up the fight.


The Alien

rating: *****

morphs acquired:Jake, Cassie, Rachel, Marco

narrator: Aximili-Esgarrouth-Isthill

Summary: Ax is an Andalite aristh, a warrior cadet who's flown ships fought in battles, and morphed all sorts of creatures. However, the greatest challenge yet awaits him: morphing a human.


The Secret

rating: ***

morphs acquired: horned owl, ant

narrator: Cassie

Summary:Ax and Visser Three have a chance encounter in the forest, during which Ax must decided whether to kill the Visser or to spare him for his host's sake.


The Android

rating: ****

morphs acquired: spider, bat

aliens encountered: Chee

new characters: Erek King

narrator: Marco

Summary: Marco discovers that his old friend Erek is not a Controller, as he had suspected, but is one of the last of the Chee, a race of doglike androids who have preserved the essence of their masters, the Pemalites, in the form of dogs.



Books 11-20


The Forgotten

rating: *****

narrator: Jake

Summary: The Animorphs discover that Jake's mysterious flashbacks are the result of a Sario Rip, a rip in time, which requires them to travel back in time to fix.


The Reaction

rating: ****

morphs acquired:

new characters: Jeremy Jason Mac Cole

narrator: Rachel

Summary: Rachel discovers that the teen heartthrob Jeremy Jason Mac Cole is into something a lot deeper than fame--can we say, Yeerks?


The Change

rating: *****

morphs acquired: Tobias, Hork-Bajir, raccoon

aliens encountered:Ellimist, Hork-Bajir

narrator: Tobias

Summary: The Ellimist again offers Tobias a chance to regain his morphing powers, and the Animorphs help two Hork-Bajir to a safe haven.


The Unknown

rating: ****

narrator: Cassie

Summary: The Animorphs discover that the secret behind Zone 91, which the Yeerks are making a huge ruckuss about, is nothing more than an Andalite toilet.


The Escape

rating: ****

new aliens: Leerans

narrator: Marco

Summary: The Animorphs discover an underwater Yeerk base, where a psychic race of aliens called Leerans have just been enslaved. Easy solution, right? Just blow it up? Wrong. Because, among the visitors to the base, is someone Marco knows all too well...


The Warning

rating: ****

new morph: rhinoceros

new characters: Joe Bob Fenestre

narrator: Jake

Summary: The Animorphs discover that the Yeerk in the head of Joe Bob Fenestre, president of Web Access America, is none other than the twin of Visser Three. The Visser's twin is bent on the downfall of the Yeerk empire, even it means killing both Yeerks and humans in the process.


The Underground

rating: ***

narrator: Rachel

Summary: The Animorphs discover a new way to defeat the Yeerks: oatmeal. Only problem is, how to get it to the Yeerks in their natural state? Easy--burrow underground!


The Decision

rating: ****

morphs acquired: Leerans

narrator: Aximili-Esgarrouth-Isthill

Summary: When the Animorphs are accidentally transported into zero-space, they encounter an Andalite battle ship, and it is up to Ax to decide whether to stick with his friends, or to stick with his fellow Andalites.


The Departure

rating: ***

morphs acquired: caterpillar

new characters: Karen

narrator: Cassie

Summary: Cassie becomes discouraged and disgusted by all the violence the Animorphs must endure, and so she decides to quit. But in the process, she accidentally reveals her identity to a Controller...


The Discovery

rating: *****

morphs acquired:

aliens encountered:

new characters: David

narrator: Marco

Summary: A kid named David has found Elfangor's blue box. Now David knows the secret, and will do anything to become the most powerful Animorph of all.


Books 21-34


21. The Threat

Narrator: Jake

Summary: David turns out to be a traitor to the Animorphs, especially when he starts taking risks that could get the Animorphs killed.



22. The Solution

Narrator: Rachel

Summary: Rachel decides to kick David's butt after he almost kills Jake and tries to kill the other Animorphs.



23. The Pretender

Narrator:Tobias

Summary: The Animorphs investigate someone claiming to be Tobias' long-lost cousin.



24. The Suspicion

Narrator: Cassie

Summary: The Animorphs run into microscopic-sized trouble when the Helmacrons land in Cassie's barn.



25.The Extreme

Narrator: Marco

Summary: The Animorphs go to the Arctic to sabotage the Yeerks' plans to build a new Kandrona source. What they didn't count on was frozen feet and cold-blooded Venber...



26. The Attack

Narrator: Jake

Summary: The Animorphs experience a new level of terror and challenge when they take on the Crayak, arch enemy of the Ellimist.



27. The Exposed

Narrator: Rachel

Summary: To preserve their secret, the Animorphs must beat the Yeerks to an underwater ship which holds the Chee's secrets.



28. The Experiment

Narrator: Aximili-Esgarrouth-Isthill

Summary: The Animorphs thwart the Yeerks' plans to develop a substance which will make humans more willing to become controllers.



29.The Sickness

Narrator: Cassie

Summary: Cassie must find a cure on her own for the sickness which has suddenly overtaken the other Animorphs...



30. The Reunion

Narrator: Marco

Summary: Marco must make some tough decisions when he discovers that his mother, also known as Visser One, is in town.


Other Books:

31. The Conspiracy

Narrator: Jake

Summary: Jake's grandfather dies and his family decides to go out of town for the funeral for a few days. This presents a problem to Tom's Yeerk which the Yeerk may go as far as killing Jake's father to solve.



32. The Separation

Narrator: Rachel

Summary: The Animorphs have a problem when, after demorphing, Rachel splits into two people with opposite personalities.



33. The Illusion

Narrator: Tobias

Summary: The Animorphs' problems increase when the Yeerks create a device which can force people to demorph.



34. The Prophecy

Narrator: Cassie

Summary: In order to discover the location of a hidden Yeerk ship, Cassie allows the mind of Aldrea to become part of her own.


Books 35-52



35. The Proposal
36. The Mutation
37. The Weakness
38. The Arrival
39. The Hidden
40. The Other
41. The Familiar
42. The Journey
43. The Test
44. The Unexpected
45. The Revelation
46. The Deception
47. The Resistance
48. The Return
49. The Diversion
50. The Ultimate
51. The Absolute
52. The Sacrifice

Other Books


MEGAMORPHS
1. The Andalite's Gift
2. In the Time of Dinosaurs
3. Elfangor's Secret

The Andalite Chronicles

The Hork-Bajir Chronicles

ALTERNAMORPHS
1. The First Journey
2. The Next Passage

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