A few Thanksgiving books you might enjoy:
More Snacks! By Joan Holub, illustrated by Will Terry (easy reader)
Thanks for Thanksgiving by Julie Markes and illustrated by Doris Barrette...All the things two young children are thankful for. Beautiful illustrations.
The Night Before Thanksgiving by Natasha Wing and illustrated by Tammie Lyon...Just like the Night Before Christmas...but with all Thanksgiving things... "The turkey went in, And as more cousins came, I laughed and I shouted and called them by name...."
Thanksgiving is Here! by Diane Goode... A family has a traditional Thanksgiving gathering...
The Littlest Pilgrim by Brandi Dougherty and illustrated by Kirsten Richards
Mini just wants to help but everyone thinks she is too little. Will she find a way to contribute?
Hide and Seek Turkeys... a counting book where little "turkeys" hide
Thanksgiving on Plymouth Plantation by Diane Stanley and illustrated by Holly Berry... the story of the first Thanksgiving.
The Pilgrims' First Thanksgiving by Ann McGovern and illustrated by Joe Lasker... the story of the first Thanksgiving.