The Unknown


by Katherine Applegate (Author)

Book Cover for The Unknown

   Book 14   
Pages: 166
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There's a new rumor in town. Someone has discovered an item that proves life on other planets exists. And they've been hiding it on a base called Zone 91. The Most Secret Place On Earth.

Cassie, the other Animorphs, and Ax already know about life on other planets. Too well. They also realise the Yeerks will try to access Zone 91 to find out if what's there will threaten their mission. So the Animorphs decide to pay Zone 91 and the Yeerks a little visit. But what they discover is not at all what they expect.

Animorphs Series—Summary and Book Order

Series: Animorphs
Reading level: 8+
Books in series: 64
Read in order? Yes
Next release: Finished
Tags: science fiction  fantasy  action  adventure  animals 

 Print series book list

Books in series order

1.   The Invasion  (1996)
2.   The Visitor  (1996)
3.   The Encounter  (1996)
4.   The Message  (1996)
5.   The Predator  (1996)
6.   The Capture  (1997)
7.   The Stranger  (1997)
8.   The Alien  (1997)
9.   The Secret  (1997)
10.   The Android  (1997)
11.   The Forgotten  (1997)
12.   The Reaction  (1997)
13.   The Change  (1997)
14.   The Unknown  (1998)
15.   The Escape  (1998)
16.   The Warning  (1998)
17.   The Underground  (1998)
18.   The Decision  (1998)
19.   The Departure  (1998)
20.   The Discovery  (1998)
21.   The Threat  (1998)
22.   The Solution  (1998)
23.   The Pretender  (1998)
24.   The Suspicion  (1998)
25.   The Extreme  (1999)
26.   The Attack  (1996)
27.   The Exposed  (1999)
28.   The Experiment  (1999)
29.   The Sickness  (1999)
30.   The Reunion  (1999)
31.   The Conspiracy  (1999)
32.   The Separation  (1999)
33.   The Illusion  (1999)
34.   The Prophecy  (1999)
35.   The Proposal  (1999)
36.   The Mutation  (1999)
37.   The Weakness  (1999)
38.   The Arrival  (2000)
39.   The Hidden  (2000)
40.   The Other  (2000)
41.   The Familiar  (2000)
42.   The Journey  (2000)
43.   The Test  (2000)
44.   The Unexpected  (2000)
45.   The Revelation  (2000)
46.   The Deception  (2000)
47.   The Resistance  (2000)
48.   The Return  (2000)
49.   The Diversion  (2000)
50.   The Ultimate  (2001)
51.   The Absolute  (2001)
52.   The Sacrifice  (2001)
53.   The Answer  (2001)
54.   The Beginning  (2001)
+   Animorphs Chronicles: The Andalite Chronicles  (1997)
+   Animorphs Chronicles: The Hork-Bajir Chronicles  (1998)
+   Animorphs Chronicles: Visser  (1998)
+   Animorphs Chronicles: The Ellimist Chronicles  (2000)
+   Megamorphs: The Andalite's Gift  (1997)
+   Megamorphs: In the Time of Dinosaurs  (1998)
+   Megamorphs: Elfangor's Secret  (1999)
+   Megamorphs: Back to Before  (2000)
+   Alternamorphs: The First Journey  (1999)
+   Alternamorphs: The Next Passage  (2000)