I read this after reading Scheherazade Goes West - which expands on the differences shown here.
This is actually a wonderful book about Mernissi's childhood in a harem and a comparison of that harem with that of her grandmother. Instead of telling, Mernissi shows you the different lives of the women in each harem, and deepens the understanding or view of it.
You find yourself caught in the struggles of the women - in particular Chama and Mernissi's own mother.
And the ending phrase, is something everyone can get behind