The Sickness
by Katherine Applegate (Author)
The Animorphs' alien friend Ax is in trouble. He's come down with a virus called "yamphut", and it's making him very sick. The Animorphs discover the virus could be deadly – but they can't take an "alien" to the hospital. They need to come up with a plan . . . or lose their friend forever.
Animorphs Series—Summary and Book Order
Series: AnimorphsReading 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)