It's Interesting that your Mary Mobley ended up in Hughes County, Oklahoma. My great grandmother (whose book initiated the posting) ended up in nearby McIntosh County, Ok. Josephine E. Howell was the grand daughter of William Weatherford (Red Eagle). She owned a copy of the circa 1855 book, which was written as a very long poem.
Her copy was eventually lost, but I was able to locate one through a used book dealer. It's in good condition and bears the inscription that I mentioned on the inside cover. It's bookmark (dealer sign) is from a Mobile company, though publisehd in New York City. The author A.B. Meek, was a famed Alabama writer. Red Eagle's grave at Little River, Alabama is now a state park. Red Eagle beat Andrew Jackson's armies three times, before being overwhelmed by thousands of soldiers at Horseshoe Bend, Al. where a 1000 Creek warriors were killed.
If you think it might be from your relative's library, I'll be happy to copy the inscription,title page, etc., Let me know what you think. Josephine later meeting with friends & reading the poetic story together, while growing up in Pleasant Hill, La.