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Classic usage
Vocabulary level: Elementary · Flesch–Kincaid grade 6 · 4,604 sentences
Vocabulary level is estimated from word frequency, not an official CEFR classification.
Subjects: Psychic ability — Fiction · Science fiction · Telepathy — Fiction · United States. Federal Bureau of Investigation — Fiction
Words worth knowing: puffy · collide · unnerve · unofficial · someday · vodka · apprehensively · sucker
Transcriber’s Note: This etext was produced from the 1963 book publication of the story.
Extensive research did not uncover any evidence that the copyright on this publication was renewed.
Minor spelling and typographical errors have been corrected without note.
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Classic usage
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