Who is Rosie Riker from The Cat Who Turned on and Off and what is their importance? The_Cat_Who_Turned_On_and_Off English & Literature Rosie Riker | The Cat Who Turned on and Off

Rosie is Arch's wife. She appears late in the action of the novel. She provides Qwilleran with an important clue about events on the night of Glanz' murder, a clue that is one of the key triggers of his final solving of the crime.