Kindred

"Dana, an African American woman, is wrenched through time back to antebellum Maryland where she saves a white boy. She then realizes the challenge facing her: to protect the young white boy until he fathers her great-grandmother."@en
"Dana, a modern black woman, is celebrating her twenty-sixth birthday with her new husband when she is snatched abruptly from her home in California and transported to the antebellum South. Rufus, the white son of a plantation owner, is drowning, and Dana has been summoned across the years to save him. After this first summons, Dana is drawn back, again and again, to the plantation to protect Rufus and ensure that he will grow to manhood and father the daughter who will become Dana's ancestor. -Back cover."
"Dana, a modern African-American woman, is is snatched abruptly from her home in 1976 California and transported to the antebellum South in order to save the life of a white slave owner."@en
"Science fiction story in which Dana, an African-American woman, is sent back in time to save a drowning white boy in antebellum Maryland."@en