Among many wonderful books about Squanto, this one stands out, showing clearly that the primary player in the Thanksgiving story was not a Native American or Pilgrim, but God.  

The Light and the Glory for Children, Peter Marshall and David Manuel, Revell, 174 pages, ages 9-12:

A simplified version of the adult original, this thoughtful text details God's plan for America revealed in its history from Christopher Columbus through George Washington. Questions at the end of each chapter for family discussion.

Sarah Morton's Day: A Day in the Life of a Pilgrim Girl;
Samuel Eaton’s Day: A Day in the Life of a Pilgrim Boy;
Tapenum’s Day: A Wampanoag Indian Boy in Pilgrim Times. Kate Waters, Scholastic Incorporated, 32 pages, ages 4-8:

Authentically designed photos follow each child through a typical day, with a first-person narrative describing daily activities, family life, as well as hopes and fears.

Three Young Pilgrims, Cheryl Harness, Alladin Paperbacks, 40 pages, ages 4-8:

Richly detailed, engaging illustrations of the Mayflower voyage, the first wedding at Plymouth, the Indians, the harvest.  Language-rich, child-friendly format.

Hear It

The Legend of Squanto, Paul McCusker, Focus on the Family Radio Theater, 2 CDs or audiocassettes:

Focus says: “More than a story about an honest man who triumphed over tragedy. It is also a tribute to forgiveness, integrity and the ability to look beyond the color of a man's skin.”