"His eyes become a cliff of snow threatening to avalanche; his eyebrows bend back like black limbs of leafless trees."

The Bluest Eye by Toni Morrison

There are more commonly quoted (and pertinent) bits from this book than this, but I really like the expressiveness here.

Has taken me an age to read this book. Basically waiting until I had a week off work to find the time to finish reading it - the first morning of the first day off