Monday's child is fair of face,
Tuesday's child is full of grace,
Wednesday's child is full of woe,
Thursday's child has far to go,
Friday's child is loving and giving,
Saturday's child works hard for a living,
But the child who is born on the Sabbath Day
Is bonny and blithe and good and gay.
Wikipedia says that this nursery rhyme dates back to at least the 1570s, and that, before it was printed and ‘fixed’ in the 19th century, there were many variations.
Andres Cyanni Halden uses this standardized version. He has gotten seven authors – six plus himself – to each write a Furry story around one of these ‘days’. Most are erotic gay stories. Each story has a small frontispiece illustration by Amaze.
The Fortune Teller's Poem is a work of anthropomorphic fiction for adult readers only. (publisher’s advisory)
Anthropomorphic fiction branches from a long tradition of mythic literature. When considering its roots, you may think of Aesop's Fables, or the fairy tales of the Brothers Grimm and Hans Christian Anderson. (My pick for most interesting would be Andrew Lang, who "examined the origins of totemism.")
SFSite has an interview this issue with the author of The Fox Woman, a fantasy novel about a kitsune. I haven't read this one, but I've read some of Johnson's other work and found it intriguing. The interview's neat... anyone read the book yet? This is the site's review of it.