At your level we need a book with very large sales potential.

He didn't need a book to make women flock to him.

I was going to need a book or a good lecture.

People need a first book to make them read more.

But no matter what children have, they also need books.

The premise of the story needs either a book or silence.

The people in the village were much amused at the idea that anyone would need a book to take care of a baby.

I need a book on how to be a rich person.

I think you need a book to explain that part.

He concludes: "Computer science needs more books like this one."