It was an intelligent alert face; under a tall square forehead the eyes were wide and inquiring.

The calmly alert face of The Shadow was in profile above the desk.

Roberts continued to scrutinize him, expressionlessly; no affect showed on the dark, alert face.

He glanced at Fizz's alert face and took a desperate step.

It was the alert, cold face of a man of about five-and-thirty.

She was petite, very slender, with frosted short hair and a lean, alert face.

She was no more than twenty, tall, thin from undereating, and with an unforgettably alert face.

His white teeth flashed in his dark, alert face.

Gradually I began to feel sure that the weedy-looking man with the alert face was really pursuing me.

He had a good firm body and short dark hair with an alert and open face.