What makes 11?

Its about a King and Queen in a fictional land...encounter the Ugliest Thing They Ever Saw! The creature was not of animal or human or insect. There was not a description that could fit such an ugly thing. The King and Queen are told to kill their ten sons if the eleven child is a girl. So that the ugliest thing they ever saw can rule with a princess that will someday be the land's Queen TEN tiny caskets were prepared Look for the educational moral of the story at the end of book number 3 due to publish mid to end year of 2021.