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Principles of Economics: Scarcity and Social Provisioning (3rd Ed.)

CC BY (Attribution)   English

Author(s): Erik Dean, Justin Elardo, Mitch Green, Benjamin Wilson, Sebastian Berger, Richard Dadzie, Adapted from OpenStax Principles of Economics

Subject(s): Economics

Publication date: 2024-03-26

Last updated: 2026-09-07

Principles of Economics: Scarcity & Social Provisioning covers the scope and sequence requirements for a two-semester introductory economics course. The authors take a balanced approach to micro- and macroeconomics, to both orthodox and heterodox schools of thought, and to the theory and application of economics concepts. The text also includes many current examples, which are handled in a politically equitable way, and extensive data up to date as of 2023.

Foundations of Education: Cultivating Diverse Perspectives

CC BY-NC-SA (Attribution NonCommercial ShareAlike)   English

Author(s): Ceci De Valdenebro, Tanya Mead

Editor(s): Jennifer Margolis

Subject(s): Education / Educational sciences / Pedagogy

Publisher: Open Oregon Educational Resources

Publication date: 2026-06-30

Last updated: 2026-09-04

Shaping and inspiring future minds is arguably the most vital work humanity can do. Preparing future educators requires us to grapple with the history of education, reflect on our own experiences and biases, and continually adapt to meet the unique needs of our students and communities—and this book was written to guide that journey.
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Excel for Contractors

CC BY (Attribution)   English

Author(s): Barbara Lave, Nick Bredleau, Hallie Puncochar, Julie Romey, Mary Schatz, Art Schneider, Lawrence Davis

Subject(s): Construction and heavy industry, Business studies: general

Publisher: Open Oregon Educational Resources

Last updated: 2026-08-26

This Beginning Excel textbook is intended for use in a one-term introductory spreadsheet course with an emphasis in the use of Excel for Building Construction Programs. The basics of Excel, as they apply to the professional workplace, are introduced, including spreadsheet design, data entry, formulas, functions, charts, tables, and multi-sheet use. This textbook includes instructions for Excel for Mac also.

This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

Communication in the Real World: An Introduction to Communication Studies

CC BY-NC-SA (Attribution NonCommercial ShareAlike)   English

Author(s): Jay Frasier

Subject(s): Communication studies

Last updated: 2026-08-21

Communication studies lead us to investigate and challenge our understandings of behavior and meaning in ways that engage our personal and professional lives. Communication studies contribute daily to relationships with family members, friends, colleagues, and students, in addition to myriad workers, public employees, and strangers with whom we regularly engage. On whatever level is appropriate, we feel better about life when these interactions are successful. This text will help you develop a fundamental skill for your professional and personal success and will advance you on the path toward becoming a successful communicator.

This revised edition of the book builds upon the solid foundation of the previous edition to both reflect the latest social scientific research findings in the study of communication, while also acknowledging some of the unique challenges we are all facing in this social media saturated, post-pandemic, generative AI world.  This new edition features new sections on Computer-Mediated Communication, the halo and horn effects, the predictive brain model of perception, John Gottman’s research on conflict, Relational Dialectics Theory, and small group problem solving. In addition, the sections on the models of communication, rhetoric, nonverbal communication, speech organization, and others were rewritten to add new information and/or increase their clarity.

Welcome to communication studies—prepare to evolve.

Stig Digs In

CC BY-NC-SA (Attribution NonCommercial ShareAlike)   English

Author(s): Timothy Krause

Subject(s): Fiction

Publication date: 2020-03-01

Last updated: 2026-08-20

Stig is a quirky dog in Portland who dreams of writing poetry in Paris. But will his dream ever come true?

This short novel for low-intermediate students of English is an extrapolation, exploration, and Portlandification of the original story Max Makes a Million by Maira Kalman, 1990.

Alma Strikes a Chord

CC BY-NC-SA (Attribution NonCommercial ShareAlike)   English

Author(s): Timothy Krause

Subject(s): Fiction

Publication date: 2021-03-01

Last updated: 2026-08-20

When Alma tries to write a song for her boyfriend Quang, she learns that actions speak louder than words.

This short novel for low-intermediate students of English introduces more quirky characters from Portland set in the world of Stig Digs In.

Seven Wonders of Oregon

CC BY (Attribution)  9 H5P Activities    English

Author(s): Timothy Krause

Subject(s): Language readers, Oregon

Last updated: 2026-08-20

This book contains nine short stories about natural wonders of Oregon written for high-beginner/low-intermediate students of English (lexile range of 500-600). Each story is approximately 225-250 words long and features a picture, a set of self-correcting comprehension questions, a writing prompt, and full citations of sources with links.

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A Christmas Carol

CC BY (Attribution)  5 H5P Activities    English

Author(s): Timothy Krause

Subject(s): Language readers, Language learning: reading skills, Biography, Literature and Literary studies

Last updated: 2026-08-20

This version of the classic holiday story has been slightly abridged and lightly adapted for advanced students of English language. The text includes comprehension checks, discussion questions, and collaborative activities.

Introduction to Architecture

CC BY-NC (Attribution NonCommercial)   English

Author(s): Kelsey Ferreira

Subject(s): Architecture, Individual architects and architectural firms, Materials in architecture, Environmentally-friendly and sustainable architecture and design

Publication date: 2026-04-14

Last updated: 2026-08-18

This book is designed for learners interested in discovering how to appreciate the built environment. The text assumes no prior knowledge of architectural history and focuses on the vocabulary of architectural analysis, as well as case studies on individual architects and structures. The emphasis is on learning to look and evaluate buildings in context and to foster a greater appreciation for the world around us. This text does not focus on defining structural systems or move chronologically, and instead is intended as a series of mini-lessons on specific topics. Each chapter also contains recommendations for additional readings and videos to provide opportunities for further learning.
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Technical Mathematics, 2nd Edition

CC BY-NC-SA (Attribution NonCommercial ShareAlike)   English

Author(s): Morgan Chase

Subject(s): Mathematical foundations, Mathematics, Applied mathematics

Institution(s): Clackamas Community College

Publisher: Open Oregon Educational Resources

Publication date: 2025-07-03

Last updated: 2026-08-18

This version of the online textbook handles text to speech better than the original version! This developmental-level mathematics textbook is intended for career-technical students. It is FREE online and costs less than $20 in print (plus shipping); don't get tricked into paying for access! The approach is conversational—inviting rather than intimidating—and many of the examples are drawn from everyday life rather than from the technical trades. Practice assignments are available on the MyOpenMath platform.
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