Authors:

All over the world there must be far-reaching changes in animal behavior and habitat; if only one could have another life in which to chart it all... Ah, well, that's not a fruitful thing to wish, is it?

"Greybeard". Book by Brian Aldiss, 1964.
All over the world there must be far-reaching changes in animal behavior and habitat; if only one could have another life in which to chart it all... Ah, well, that's not a fruitful thing to wish, is it?