This is a very good book. It's the best book about the 19th century range that I've ever read. Nearly every page was fascinating. Dobie is a natural storyteller.
It is also a very, very racist book.
It's so racist that it's an interesting expression of white privilege to be able to read it. Because if you're personally threatened or hurt by racist humor, then this book will make you too angry to be able to read it. I think Dobie was probably about averagely racist for his time and place, though that's pretty racist. He doesn't descend into weird theories or dim allegories, he just tells lots of racist jokes. And then you get to the part about the cook who said he was a horse, and it's so disturbing that it's probably true.
It's fascinating, honest, a true depiction of what a lot of white people believed during his time in Texas. But it's objectively offensive.