The Jennifer Morgue — Charles Stross

SAVING THE WORLD FROM EVIL IS A 24/7 JOB -- NO OVERTIME PAY INCLUDED.

Ruthless software billionaire Ellis Billington has unearthed a device that will enable him to raise an eldritch horror, code-named "JENNIFER MORGUE," from the ocean's depths for the purpose of ruling the world.

Thwarting his devious plan is a job for the Laundry. And since James Bond doesn't work for the Laundry, it's up to Bob Howard, geekish demonology hacker extraordinaire. His mission is to inveigle his way aboard Billington's yacht and stop him, while fending off the beautiful and deadly Ramona Random, an American agent with her own agenda...