Maybe 3.5 stars. This novel was primarily an exploration of a Nigerian's experience of race in America, which might have gotten tiresome, but I enjoyed Ifemelu's narrative voice. 
 A couple problems I had: 
 1. During the course of the novel, Ifemelu starts up and runs two different blogs, and both become extremely successful (enough to make a living from) and widely read seemingly over night. This is just not realistic. 
 2. The ending. (view spoiler)[Too happy, too easy, and it was shitty of Obinze to leave his wife and daughter to be with Ifemelu. I would've enjoyed a less happy ending better. (hide spoiler)] 
 Otherwise, Ifemelu and Obinze's experiences in the US and the UK respectively were well-written, and I mostly enjoyed hearing from Ifemelu's point of view. Both of her American boyfriends were annoying for different reasons, but they didn't ruin the rest of it for me. The segments about race were interesting, although I got tired of the Obama election stuff. 
 The audio narration was excellent, although the reader's American accents sounded off to me, like she had marbles in her mouth.