The Dolphins Of Pern by Anne McCaffrey

In a world where dragons and their riders protect the planet from deadly Thread, a new alliance is formed between humans and the intelligent dolphins who inhabit the seas. As the people of Pern discover the dolphins' ability to communicate and their rich history, they embark on a journey of mutual understanding and cooperation. This newfound partnership not only enhances their ability to combat the Thread but also deepens the bond between the land and sea, revealing the dolphins' pivotal role in the survival and evolution of Pern's society.

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