The tagline for the first book in The Atlantis Grail series (Qualify), 'Qualify Or Die' is also the in-universe mantra for every young person on Earth between the ages of twelve to nineteen - the ages for the Qualification process that shall determine the ten million young people who survive the destruction of Earth and be taken to the planet Atlantis. It is a frequent refrain that is heard only in TAG: Qualify.

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