16 Tasks of the Festive Season - Square #12: December 23rd - Saturnalia

Maskerade (Discworld, #18) - Terry Pratchett

Book themes for Saturnalia:  The god Saturn has a planet named after him; read any work of science fiction that takes place in space.  –OR– Read a book celebrating free speech. –OR–  A book revolving around a very large party, or ball, or festival, –OR– a book with a mask or masks on the cover.  –OR– a story where roles are reversed.

 

Having just returned to "home base" for a coffee and a break before finding tonight's dinner destination, I need something to match the rolling thunder (and probably impending rain, again):

 

This should suit:

 

THE WIND HOWLED. The storm crackled on the mountains. Lightning prodded the crags like an old man trying to get an elusive blackberry pip out of his false teeth.

Among the hissing furze bushes a fire blazed, the flames driven this way and that by the gusts.

An eldritch voice shrieked: ‘When shall we … two … meet again?’

 

Thunder rolled.

 

I am fairly sure this book would also suit the Festivus task, but my edition has a mask on the cover, so I'll go with that one.