The story of "Once Upon a Dime" starts like any other fairy tale, but it quickly becomes a story about the value of money and the economic system commonly used before it. Presented as a cartoon, the resource consists of dialogue between...

Are some resource books more confusing than helpful? The creator of Oregon Writes Open Writing Text thinks so. That is why the text remains a living document with input from teachers, librarians, and scholars. The eBook begins with...

Delve into the middle of calculus. The resource is the second eBook of three that covers the complete calculus content. Seven chapters begin with integrals and different methods of integration before moving on to differential equations....