Signal Discipline: A First Contact Hard Science Fiction Thriller

For eleven years, Dr. Mara Ellison has trusted one principle above all others:

The data never lies.

Stationed aboard humanity's most sensitive deep-space observatory, Mara spends her nights listening for the faint distortions that massive objects leave in the fabric of space itself. When the array detects an impossible gravitational signature more than one hundred astronomical units from the Sun, she assumes it's a flaw in the instruments.

She is wrong.

The object is enormous.

It isn't followin...