B C Burks: 2 books

It's 1913 in Washington, D.C.  Anne and Arlene Arbor are identical twin sisters living separate lives.  One is a strong advocate speaking up for the rights of black women but is blindsided and feels betrayed when her sister, who she hasn't seen in years, reveals that she is  passing for white.  Then, if that isn't enough to take, what else could possible happen?

An Ex-Slave.  A Native American Indian.  What do they have in common?  Tala is a short-story is about a twelve-year old mulatto girl named Esther who is captured and raised by the Florida Seminoles.  Did she escape from one form of slavery for another or will she find refuge living amongst the Natives?