The Underworld review: A gripping voyage into the deep ocean

The Underworld
Susan Casey (Doubleday)

DESPITE the latest tragic lack of OceanGate’s Titan submersible, individuals will proceed to discover the ocean’s darkest corners. Susan Casey, a wise documenter of the aquatic world in her earlier books The Devil’s Teeth and The Wave, helps us see why in her newest guide.

The Underworld: Journeys to the depths of the ocean seeks to reply a query first posed by Aristotle as he dissected cuttlefish within the 4th century BC: what’s beneath …