THE UNINVITED (CROOKED CHRONICLES) by Eric Wanner

Do you think you can lock the door to stop doom?Declan lives an isolated life on the moors, caring for his frail grandmother. But a terrifying new reality begins when a monster of shadows with glowing red eyes emerges from the fog to stalk their home.As he frantically sets traps and wards to keep the looming nightmare outside, a strange boy wanders into the yard and offers to help.Armed with nothing but his wits and some luck, he must hold the line before the darkness breaches his threshold.