Americanah is the story of two Nigerians making their way in the U.S. and UK.
It is the Multnomah County Library Everyone Reads 2019 selection.
Also, winner of the National Book Critics Award for Fiction, one of PBS’s best-loved novels, and a Barack Obama summer reading pick.
Wikipedia has a nice profile of the author.
To organize the events and lessons of the book, you may profit from the author’s TED talks: The Danger of a Single Story (2009, 20 min) and We Should All Be Feminists (2012, 30 min).