night the stars fell

At four years of age Todd Harper was diagnosed with a fatal brain tumour, he would never reach his teens. One night while looking out of his bedroom window he sees a huge dog staring up at the window from the garden below. Todd hurries down and brings the dog in. Later he finds out the dog's name is 'Lasko', and he is not just any ordinary mutt, he is something much, much more. The bond between them grows so strong it will never be broken. Todd's tumours disappear he is restored to complete health. Unbeknown to Lasko and Todd, earth is about to be invaded by a race of Alien creatures whose aim is to breed with human females to create a super race! Earth is going to be colonized by these cruel Aliens. Can Lasko stop them, along with his people, and save the earth from total devastation?