The Cat Who Walks through Walls

In The Cat Who Walks through Walls, renowned science fiction author Robert A. Heinlein introduces Dr. Richard Ames, an ex-military man and writer who finds himself entangled in a web of danger and intrigue following a mysterious murder at his dinner table. As Ames navigates through other dimensions and encounters iconic characters like Lazarus Long and Jubal Harshaw, he becomes embroiled in a daring plot to rescue a sentient computer named Mike, with potentially historic implications for humanity.