Schoolcraft College
Trigonometry
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
Open Oregon Educational Resources
Principles of Microeconomics: Scarcity and Social Provisioning
There’s no such thing as a free economics course, but here's a resource that is as close as you can get. Drawing on the expertise of a textbook, augmented by input from higher education economics instructors, a helpful eBook presents a...
Core Knowledge Foundation
The Civil War
A student reader shares information about the history of slavery, the Civil War, President Abraham Lincoln, women's contributions to the war, the Emancipation Proclamation, and reconstruction.
Blackdog Media
Classic Reader: "Not According to the Code" by Robert Barr
Text of the short story "Not According to the Code" by Robert Barr, a Scottish author. (Free site registration offers some additional features, e.g., the ability to insert annotations.)
![United States History: Ch. 3 Sec. 1: The Southern Colonies [Pdf] eBook](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "United States History: Ch. 3 Sec. 1: The Southern Colonies [Pdf] eBook")
Other
United States History: Ch. 3 Sec. 1: The Southern Colonies [Pdf]
A chapter from a history text that looks at the development of the Southern Colonies. It discusses the Southern agricultural economy that relied on slave labor, tobacco as a cash crop, Southern society, indentured servitude, Bacon's...
Unite for Literacy
Unite for Literacy: Technology: Teach Your Computer
This book introduces the concept of computer programming to young students. Includes audio narration in six additional languages with text in English.
Forum Romanum
Outlines of Roman History: The Private Life of the Romans
The complete text of the book published in 1932 giving valuable details on the family life of Romans, the role of children and women, dress codes, water supplies, and much more.