Familiars are animals that wield magic, faithful companions and assistants to wizards. Aldvin knew about all this only by hearsay. After all, he was an ordinary street cat - skinny, shabby and without any magical abilities. But one fine day, fleeing from pursuit, he took refuge in the shop of a familiar trader. And it just so happened that an eleven-year-old wizard apprentice named Jack chose Eldwin as his companion. Since then, events in the life of the former stray cat have flashed with dizzying speed. Before Eldwin had time to come to his senses, he was already setting off in the company of the know-it-all jay Skylar and the good-natured frog Gilbert to help the young wizards out of trouble. Familiar friends will have a dangerous adventure and a fight with the scythe witch. And perhaps the fate of the entire kingdom will be in the paws and wings of the inseparable trinity...For the first time in Russian!