Winter moon / Koontz, Dean R

Los Angeles police officer Jack McGarvey, badly wounded in a shoot-out, decides to move his family to a Montana ranch that has been willed to him by the father of his former partner, only to have his son Toby become the target of the Givers, creatures from another dimension who want control of the child for their own evil purposes.

When LAPD officer Jack McGarvey is badly wounded, he, his wife, and his son head to a Montana ranch for rest and relaxation, but they find themselves drawn into a terrifying encounter with a hostile and ruthless enemy.