He craned his sinuous neck around in a wide sweep, eyeing the forest lest Thread had actually started burrowing.

Once the Threads started to fall and R'gul's faith was restored, he'd come around.

When that damned Thread started falling, your uncle called in all power packs for use in the sleds.

That wouldn't be until after Thread has started,' K'vin said, looking doubtful.

A lot had happened since Thread had started falling on Pern again.

I mean, you always wanted to know just when Thread starts and stops,' he said.

You remember that ragtag of folk that came through from Bitra when Thread started.

He began to work his way south, and slightly east, trying to ascertain exactly where Thread had started.

Because until Thread started falling out of phase, and you had been at the swampfall, you'd never have correlated the information.

So we're going back there, between times, and be there when the Threads started falling, two hours ago.