Chronological list of Animorphs books

This is a chronological list of the Animorphs books by K.A. Applegate, as applies to storyline continuity.

• The Andalite Chronicles (c. 1976, 1980s, 1997)
  • This book is divided into three parts: #1: Elfangor's Journey, #2: Alloran's Choice, and #3: An Alien Dies.
• 1: The Invasion (Spring 1997)
• 2: The Visitor
• 3: The Encounter
• 4: The Message
• 5: The Predator
• 6: The Capture
• 7: The Stranger
• Megamorphs 1: The Andalite's Gift (Summer 1997)
• 8: The Alien
• 9: The Secret
• 10: The Android
• 11: The Forgotten
• 12: The Reaction
• 13: The Change
• 14: The Unknown
• 15: The Escape
• 16: The Warning
• 17: The Underground
• 18: The Decision—(c. 1998)
• Megamorphs 2: In the Time of Dinosaurs—(Sario Rip time travel to 65,000,000 B.C.)
• 19: The Departure
• 20: The Discovery
• 21: The Threat
• 22: The Solution
• The Hork-Bajir Chronicles (1966, 1968-69, 1998)
  • Although the events in this story occur between The Ellimist Chronicles and The Andalite Chronicles, the entire story is being told by Jara Hamee to Tobias after book #13, The Change, and before the events of #23 The Pretender.
• 23: The Pretender
• 24: The Suspicion
• 25: The Extreme
• 26: The Attack
• 27: The Exposed
• 28: The Experiment
• 29: The Sickness
• Megamorphs 3: Elfangor's Secret (Time Matrix time travel to 10/25/1415, 12/25/1776, 10/21/1805, c. 1932-1939, 6/6/44, and 1967)
• 30: The Reunion—(sometime a little bit before or after 12/18/98)
• 31: The Conspiracy
• 32: The Separation—(c. 1999)
• 33: The Illusion
• 34: The Prophecy
• 35: The Proposal
• Visser (1976, 1980s, 1991-1999)
  • The trial chronicled in Visser is set during and after the events of The Proposal, but the book also covers events before The Andalite Chronicles.
• 36: The Mutation
• 37: The Weakness
• 38: The Arrival
• 39: The Hidden
• 40: The Other
• Megamorphs 4: Back to Before (1999, experimental timeline to 1997)
• 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 (c. 2000)
• 50: The Ultimate
• 51: The Absolute
• 52: The Sacrifice
• 53: The Answer
• The Ellimist Chronicles (story stretching millions of years into the past)
  • Technically this is set during the same time as the first chapters of The Beginning even though it covers events set far before The Andalite Chronicles.
• 54: The Beginning (2000-c. 2004)