Among the biggest testing players are three of the major textbook publishers.

Furthermore, the decision is already having an impact on textbook publishers.

"We already have a national curriculum - but it is set by textbook publishers, and its standards are very low."

It turned out to be a bonanza for certain textbook publishers and authors.

As these histories are written, he added, professional groups can use them to bring pressure on textbook publishers.

The broader perspectives are not just of interest to textbook publishers.

For any large textbook publisher, reading adoption, which represents a third of industry sales, is crucial.

In 1960, he set up Santillana as a textbook publisher.

Perhaps colleges, universities and professors can put pressure on textbook publishers to bring down the cost.

Even some textbook publishers say that few ancillary programs help students learn better or improve teaching quality.