This middle grade murder mystery finds resourceful Edna Gristle in pursuit of her tyrannical grandfather's murderer. When the tyrannical family patriarch Sir Ignatious Gristle is murdered on his 90th birthday at his country estate, every one of his gathered family members is a suspect. Trapped by a snowstorm with no way to contact the police, it's up to his mettlesome granddaughter, Edna, and her trusted tortoise, Charles Darwin, to determine whodunnit! This is the first in a middle-grade murder mystery series.