Nightmare's Edge by Bryan Davis, by Christian publisher Zondervan, and seems to be a YA horror/thriller.
Product Description
In the final installment in the Echoes from the Edge series, the three Earths are headed towards imminent destruction, and only Nathan's father knows the secret to saving billions of people from the celestial collision. But he is trapped in a dream world where nightmares are reality and the collapse of the cosmos is at hand. When Kelly sacrifices herself on Nathan's behalf during a rescue mission gone bad, Nathan is faced with two formidable tasks: save Kelly, and repair the cosmic fabric before the three dimensions collide. With the fate of the universe hanging in the balance, and the murderous stalker Mictar dogging his steps, Nathan must save the three Earths ... or risk everything trying. Nathan Shepherd, in the company of his restored mother and two mysterious beings called supplicants, searches for his father in the land of dreams. With the collapse of the entire cosmos at hand, only his father holds the answers to what Nathan must do to save billions of lives.
This is the third part of a trilogy, first two parts offered in Kindle, Sony, B&N and now also Kobo stores in this post on the
ten Zondervan freebies. None of them seem to have this book free, though.
Nine of the listed books (minus one of the Melody Carlsons) are free in the Kobo store to Canadians, too.