What does later life look like when it is lived in the companionship of other species? Similarly, how do other species age (or not) with humans, and what sort of (a)symmetries, if any, are brought to light around how we understand and think about aging? So far, aging has been investigated in the social sciences in purely human terms. This is the first collection of original work that considers aging as taking place in relation to other species. This volume aims to start a conversation abou...