I don't understand why either should show up in a modern comic book.

He could take a modern scientific book back in time, but he wouldn't know where to place it.

For the first few years, the modern books generated 90 percent of sales.

To these may be added several modern books of travel.

I'm afraid I should do better for the modern books.

Children who shared books from the 1960's now have modern books of their own.

The creation of the modern American comic book came in stages.

The development of the modern American comic book happened in stages.

Question: No modern book has aroused so much talk as the one in the black box.

Over time they took on the familiar form of a codex (like modern books).