Adaptation book 2: book 2

Carmella was still a teen when the Motherships first appeared dotting the skies over the Earth. For years the world tried to normalize while the silent Motherships hovered. And then they arrived, promising that they meant no harm. But within 10 years, 80% of the world's population would be wiped out.
Including everyone that Carmella loved.
In book one Carmella comes face to face with one of the blobs. He does an impetuous act of kindness by impregnating her with a child to help ease her lonel...