At age six, it has become required reading in certain circles.

The newspaper afterwards became required reading for all government employees.

The book soon became required reading for high school students in Poland.

He's like a student doing all his required reading for English lit.

Maybe he did do the required reading of the media handbook.

Three authors of business books were asked what they considered required reading for entrepreneurs.

The book would become required reading for all Fullerton public school third grade students.

They stuck in my mind more than most other required reading.

In 798 the two commentaries became required reading at the government university.

His account became required reading for all American explorers who followed him in the 19th century.