In the rare book world, this is of great interest.

In the comic book world, a first issue will often sell well.

He appears on radio talking about the book world, relationships, the modern woman and gender issues.

I moved on to some questions that have been vexing the book world of late.

"I think it's indicative of the way things are going in the book world these days," she said.

It also created a cause of sorts taken up by various voices in the book world.

There's a lot going on in the book world.

Kindle: Do its prices set the book world on fire?

"St. Martin's reaches every known part of the book world."

His book Worlds in the making (1908) was directed at a general audience.