All The Weyrs Of Pern by Anne McCaffrey

In this science fiction novel set on the planet Pern, humanity faces the ongoing threat of Thread, a deadly organism that rains down from the skies, destroying all organic matter it touches. The inhabitants of Pern, including the dragonriders who traditionally protect the land, discover an ancient artificial intelligence that offers a chance to permanently eliminate the Thread menace. As they work to understand and activate this ancient technology, they must overcome internal political struggles and the skepticism of their peers to unite the planet's disparate communities and weyrs (dragon lairs) in a monumental effort to save their world from the relentless destruction of Thread and usher in a new era of peace and prosperity for Pern.

The 6972nd greatest book of all time

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Total Points: 66

Since this book was first published in 1991, there is a penalty of 27.2%. The age adjusted score is 48.05.

This is to prevent newer books from reaching super high on the ranked list of the greatest books of all time. The greatest books should also stand the test of time.