In “There are Rivers in the Sky” you will find three narrative strands plaited together, and even though they span many years — from the 1850s to the 2010s — the themes they treat at length are all 21st Century concerns. Elif Shafak’s agenda clearly focuses on current issues, current challenges that sometimes feel intractable. On the whole it is a grand attempt, but I finished it unmoved, disappointed by its cobbled-together feel, and at a distance from the final protagonist. We meet Arthur...