📖 Overview
K. A. Applegate (Katherine Alice Applegate) is an American author best known for children's and young adult literature, particularly the Animorphs science fiction series published from 1996-2001. The Animorphs series, which she co-created with her husband Michael Grant, spans 54 books and tells the story of young humans who can transform into animals to fight alien invaders.
Beyond Animorphs, Applegate has authored numerous other successful series including Making Out, Remnants, and Everworld. Her 2012 standalone novel The One and Only Ivan, based on the true story of a captive gorilla, won the Newbery Medal and has been adapted into a Disney+ film.
More recently, Applegate has continued writing acclaimed middle-grade novels including Crenshaw, Wishtree, and The One and Only Bob. Her work frequently explores themes of identity, environmental conservation, and the relationship between humans and animals.
Her books have sold over 35 million copies worldwide and have been translated into multiple languages. Applegate's writing is characterized by its ability to blend serious themes with accessible storytelling for young readers.
👀 Reviews
Readers praise Applegate's handling of complex themes like war, mortality, and trauma in child-appropriate ways. The Animorphs series maintains a 4.1/5 rating on Goodreads across thousands of reviews, with readers noting how the books respect young readers' intelligence. One reader wrote: "These books never talked down to kids about serious issues."
Readers appreciate:
- Character development over long series
- Balance of humor with darker themes
- Clear, engaging writing style
- Strong environmental and ethical messages
- Realistic reactions to trauma and conflict
Common criticisms:
- Uneven quality in ghostwritten Animorphs books
- Some repetitive plot elements and descriptions
- Later series books becoming increasingly dark
- Pacing issues in newer standalone novels
The One and Only Ivan holds a 4.4/5 on Amazon (35,000+ reviews), with readers praising its emotional depth. Wishtree maintains 4.3/5 on Goodreads (15,000+ reviews), though some note its message feels heavy-handed. Animorphs reviews frequently mention the series' lasting impact on readers' worldviews and ethical thinking.
📚 Books by K. A. Applegate
Animorphs (Series, 54 books)
Five teenagers gain the ability to transform into any animal they touch and must use these powers to defend Earth from parasitic alien invaders called Yeerks.
Remnants (Series, 14 books) After Earth's destruction, 80 humans escape on a spacecraft but wake up 500 years later to face a drastically altered reality.
Everworld (Series, 12 books) Four teenagers find themselves transported to a parallel world where ancient mythological gods and creatures exist alongside modern technology.
Making Out (Series, 28 books) A series following the relationships and daily lives of teenagers living on Chatham Island off the coast of Maine.
The One and Only Ivan A silverback gorilla living in captivity at a mall tells his story of friendship, art, and eventual liberation, based on true events.
Crenshaw A boy whose family faces homelessness is visited by his imaginary friend - a large cat named Crenshaw who helps him cope with difficult times.
Wishtree An old oak tree narrates the story of a neighborhood's response to intolerance while protecting a young Muslim girl and her family.
The One and Only Bob A companion novel to Ivan, telling the story from the perspective of Bob, a scrappy dog who discovers his own kind of courage during a hurricane.
Home of the Brave A young Sudanese refugee adjusts to life in Minnesota while dealing with memories of his war-torn homeland.
Endling: The Last A story about Byx, who may be the last of her dog-like species, as she searches for others of her kind in a world of human dominance.
Remnants (Series, 14 books) After Earth's destruction, 80 humans escape on a spacecraft but wake up 500 years later to face a drastically altered reality.
Everworld (Series, 12 books) Four teenagers find themselves transported to a parallel world where ancient mythological gods and creatures exist alongside modern technology.
Making Out (Series, 28 books) A series following the relationships and daily lives of teenagers living on Chatham Island off the coast of Maine.
The One and Only Ivan A silverback gorilla living in captivity at a mall tells his story of friendship, art, and eventual liberation, based on true events.
Crenshaw A boy whose family faces homelessness is visited by his imaginary friend - a large cat named Crenshaw who helps him cope with difficult times.
Wishtree An old oak tree narrates the story of a neighborhood's response to intolerance while protecting a young Muslim girl and her family.
The One and Only Bob A companion novel to Ivan, telling the story from the perspective of Bob, a scrappy dog who discovers his own kind of courage during a hurricane.
Home of the Brave A young Sudanese refugee adjusts to life in Minnesota while dealing with memories of his war-torn homeland.
Endling: The Last A story about Byx, who may be the last of her dog-like species, as she searches for others of her kind in a world of human dominance.
👥 Similar authors
Rick Riordan writes mythological fantasy series featuring young protagonists who discover they have special powers and must fight supernatural threats. His Percy Jackson series and other works combine action-packed plots with elements of ancient mythology, similar to how Animorphs blends sci-fi with coming-of-age themes.
Suzanne Collins created The Hunger Games trilogy about young people fighting against oppression in a dystopian world. Her books feature strong character development and themes of survival against overwhelming odds, matching Applegate's focus on young heroes facing serious challenges.
Eoin Colfer developed the Artemis Fowl series mixing science fiction with fantasy elements and complex plot lines. His work features young characters dealing with advanced technology and otherworldly threats, paralleling the sci-fi elements in Animorphs.
Michael Grant authored the Gone series about teenagers developing supernatural abilities while fighting for survival. His collaboration with Applegate on Animorphs influenced his solo work, which shares similar themes of young people facing extraordinary circumstances.
Margaret Peterson Haddix writes science fiction series including Shadow Children and Missing, focusing on young protagonists uncovering conspiracies. Her books combine action with social commentary and ethical dilemmas, similar to how Applegate addresses serious themes in accessible ways.
Suzanne Collins created The Hunger Games trilogy about young people fighting against oppression in a dystopian world. Her books feature strong character development and themes of survival against overwhelming odds, matching Applegate's focus on young heroes facing serious challenges.
Eoin Colfer developed the Artemis Fowl series mixing science fiction with fantasy elements and complex plot lines. His work features young characters dealing with advanced technology and otherworldly threats, paralleling the sci-fi elements in Animorphs.
Michael Grant authored the Gone series about teenagers developing supernatural abilities while fighting for survival. His collaboration with Applegate on Animorphs influenced his solo work, which shares similar themes of young people facing extraordinary circumstances.
Margaret Peterson Haddix writes science fiction series including Shadow Children and Missing, focusing on young protagonists uncovering conspiracies. Her books combine action with social commentary and ethical dilemmas, similar to how Applegate addresses serious themes in accessible ways.