Move on into trigonometry. An informative eBook takes the content of a College Algebra course and adds more relating to trigonometry and trigonometric functions. The content organization allows pupils to build upon their learning by...

Is there more to college algebra than this? Even though the eBook is designed for a college algebra course, there are several topics that align to Algebra II or Pre-calculus courses. Topics begin with linear equation and inequalities,...

Presents images of common weather phenomena. Book includes audio narration in 17 additional languages with text in English.

A story about winter weather and activities children can do inside on a cold day. Includes audio narration in 19 additional languages with text in English.

In this story, a brother and a sister choose clothes to wear for different types of weather. Includes audio readaloud feature in 15 additional languages, while text is in English.

See the many things that the wind touches and moves as it blows about. Book includes audio narration in 21 additional languages with text in English.