They were all science books, and it took me a long time to understand them.

Why are so few popular science books written by women?

To the older one, he read science books and the newspaper.

It is important to have both kinds of science books.

He is the author of three popular science books and many articles.

She is the author of Robots, a popular science book.

The science books approved by the board are for grades 1 through 12.

A series of science book and tape packages will be coming out in the fall.

There were lots of science books and textbooks, he saw.

He read science books borrowed from the public library and built his own radio set.