A Swiftly Tilting Planet
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The third book in Madeleine L'Engle's A Wrinkle in Time Quintet. Read the ground-breaking science fiction and fantasy series that has delighted children for over 60 years!
When Charles Wallace Murry shouts out in desperation an ancient rune meant to ward off the dark, a radiant creature appears. It is Gaudior, unicorn and time traveler. Charles Wallace and Gaudior must travel into the past on the winds of time to try to find a Might-Have-Been--a moment in the past when the entire course of events leading to the present can be changed, and the future of Earth--this small, swiftly tilting planet--saved.