Books like The Underground by Katherine Applegate
In this installment of the Animorphs saga, Rachel, the other Animorphs, and ax confront the ever-present threat of the Yeerks. They confront new challenges and potential setbacks as they seek a way to outmaneuver the alien invaders.
First publish date: 1998
Genre: Children's Fiction/Children's Adventure
Authors: Katherine Applegate
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Books similar to The Underground (32 similar books)
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A china rabbit named Edward Tulane is lost and follows an extraordinary path—from the sea to a fisherman’s net, from a sick child’s bedside to the streets of Memphis—learning that even the most fragile heart can love, lose, and love again.
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Bob the dog, joined by his friends Ivan the gorilla and Ruby the elephant, embarks on a perilous quest to find his long‑lost sister during an impending hurricane, discovering bravery, friendship, and family along the way.
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When Earth faces a hidden alien invasion, Rachel and her friends discover they are the only ones who can defend the planet.
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When the Yeerks discover the hidden feeding ground of the Andalites, the Animorphs must stop a covert logging operation to protect their friends Ax and Tobias from the impending search of Visser Three.
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In this teenage science‑fiction adventure, the Animorphs confront the Yeerks by morphing into flies, while Jake’s transformation into the enemy forces the team to act quickly to protect their new base.
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When a poor family faces eviction, the boy Jackson turns to his imaginary cat, Crenshaw, in a heart‑warming story that shows how friendship and resilience can keep a family together.
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Tobias, after morphing into a hawk and losing his human form, is offered a chance to reclaim his powers and navigate a world of transformation and extraterrestrial allies.
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When the Andalite prince gifts him the power to shapeshift, Marco's reluctant acceptance turns into a fierce fight for his mother's freedom and the planet’s survival.
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Cassie and the Animorphs confront the Yeerks as they try to protect a top‑secret base, Zone 91, where proof of alien life is hidden.
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In "The Experiment", the Yeerks attempt to develop a drug that removes human free will, but the Animorphs reveal that true freedom lies beyond any chemical influence, forcing a battle over the essence of autonomy.
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A boy named Jake suddenly finds himself twenty‑five years old in a world ruled by the alien Yeerks, setting the stage for a dramatic change of fate.
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In this 38th installment of the Animorphs series, the arrival of Andalite allies transforms the struggle against the Yeerk invasion, bringing new opportunities and challenges for the young heroes.
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Cassie becomes the host for a dead alien’s persona to aid the Hork-Bajir’s rebellion against the Yeerks, wading into a perilous alliance across cultures.
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In *The Proposal*, teenage Marco is pushed to the brink when his mother is infected by an alien parasite and his father plans to remarry, causing him to transform into strange creatures he fears will attract the Yeerks.
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Jake and his fellow Animorphs uncover a hidden underwater civilization while hunting Visser Three to protect the Pemalite ship.
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When the Yeerks invade the North Pole, the Animorphs must transform into animals to stop the alien conquerors from taking control of the world’s coldest frontier.
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A new Animorph arrives just as the Yeerks launch an unprecedented takeover plan aimed at the world's most powerful leaders—forcing the team to confront shifting alliances and risk-breaking tactics.
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Cassie faces a difficult decision when she quits her role as an Animorph and must confront a relentless human-Controller who suspects her true identity.
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A tense clash between family ties and alien control unfolds as a powerful Yeerk battles to prevent a young boy’s brother from leaving home.
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A group of transformed kids, the Animorphs, race to protect a powerful morphing cube from tiny alien Helmacrons, but one of them inadvertently puts the extraterrestrials right in his head.
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A mysterious woman claiming to be Tobias’s long‑lost cousin arrives on his doorstep, sparking intrigue and hope as she shares surprising knowledge of his past.
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Join the Animorphs on their next mission in "The Next Passage"—a fast‑paced science‑fiction adventure where every decision could be the difference between victory and defeat.
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The Animorphs face a crucial decision: continue fighting the Yeerks in secret or reveal the resistance to the world. Jake grapples with the weight of leadership and the strain of keeping the fight hidden.
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