X Marks the Pedwalk by Fritz Leiber - This is how it all began—the terrible civil strife that devastates our world!

The raggedy little old lady with the big shopping bag was in the exact center of the crosswalk when she became aware of the big black car bearing down on her.

Behind the thick bullet-proof glass its seven occupants had a misty look, like men in a diving bell.

She saw there was no longer time to beat the car to either curb. Veering remorselessly, it would catch her in the gutter.

Useless to attempt a feint and double-back, such as any venturesome child executed a dozen times a day. Her reflexes were too slow.

Polite vacuous laughter came from the car's loudspeaker over the engine's mounting roar.

From her fellow pedestrians lining the curbs came a sigh of horror.

The little old lady dipped into her shopping bag and came up with a big blue-black automatic. She held it in both fists, riding the recoils like a rodeo cowboy on a bucking bronco.

Aiming at the base of the windshield, just as a big-game hunter aims at the vulnerable spine of a charging water buffalo over the horny armor of its lowered head, the little old lady squeezed off three shots...