Summary Of The Book 'Black Thing'

The Medium shows them Earth, and they see that the same Black Thing that was blotting out the stars is also wreathing their own planet. The Medium shows them the Black Thing in a different part of the universe, and they watch as a star sacrifices itself to destroy the Black Thing. They realize that Mrs. Whatsit, Mrs. Who, and Mrs. Which were all once stars, and gave up their starry lives in battle with the Black Thing. Now the Medium wants to show them something happy, so she shows them their mothers, but Mrs. O'Keefe is screaming like a banshee and Mrs. Murry is crying alone. That didn't work so well as a cheering-up strategy. It does at least make Meg mad, which drives away her fear.

They tesser again and land on the planet Camazotz, which