The Legend of the Bluebonnet by Tomie dePaola, 1983.

This is a story about the Comanche People in what is now Texas, based on an old folktale.

There has been a severe drought and famine in the land for a long time, and many people have died.  The survivors pray to the spirits for help in ending the drought, and they receive a sign that it will not end until someone among the Comanches makes a sacrifice of the thing that is most dear to them.

The people debate about who is supposed to make the sacrifice and what object the spirits could want, but one young girl thinks that the spirits are talking about her and her doll.  The girl is called She-Who-Is-Alone because she is the last of her family.  Her parents and grandparents are dead, victims of the famine.  The only thing she has left to remind her of them is her doll, a warrior with blue feathers in its hair, that her parents made for her before they died.

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Desperate to end the drought and famine and to save her people, the girl makes the difficult decision to sacrifice her doll by burning it.  Her sacrifice is rewarded not only by the end of the drought but by the sudden appearance of a field of flowers as blue as the feathers in her doll’s hair.  The girl receives a new name from her people, acknowledging her sacrifice on their behalf.

A section in the back of the book explains a little about the Bluebonnet flower, which is the state flower of Texas, and the origins of the story in the book, which is based on a folktale.  This is also a little information about the Comanche People.

The book is currently available online through Internet Archive (multiple copies).