David Sooby wrote:

> Here's the relevant portion of that questionable sentence from the Ace
> edition:
>
> ~~~~~~~~~~
> Some fifty million years ago, when the planet that had been called
> Zarathustra (for the last twenty-five million) was young...
> ~~~~~~~~~~
> —_Little Fuzzy_, ch. I (p. 6 of Ace's $1.25 edition)
>
> Presumably the copy-editor misunderstood Piper's intent, and inserted
> a second occurrence of the word "million" in the belief he was
> "clarifying" Piper's sentence. Presumably the sentence originally said
> "Some fifty million years ago, when the planet that had been called
> Zarathustra (for the last twenty-five) was young..."
>
> Or at least, that's what some Piper fans (including myself) think
> Piper actually intended to say.

Exactly where did the description of Zarathrusta being young 50 million
years ago come from?

Was the planet in the equivalent of the Pre-Cambrian at that time?