Digital library
Textbooks, references and open learning resources.

External
SOC 300: Introductory Sociology
Donnisha Lugo · Consumnes River College
This course is a study of human behavior in society, including social groups, culture, personality, social stratification, social change, collective behavior and social institutions.

External
Placed and Displaced: Immigrants, Refugees, and Displaced Persons
Cathy Thwing and student writers at Pima Community College · LibreTexts
Leaving home, as a refugee, an immigrant, or a person displaced by natural disaster, brings its own set of challenges, questions, and needs for support. We examine these experiences from an individual perspective here.

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Communicating to Connect - Interpersonal Communication for Today
Daniel Usera & contributing authors · Austin Community College
Communicating to Connect: Interpersonal Communication for Today introduces an undergraduate to a whole new world of concepts with an in-depth exploration of interpersonal communication. Theory and research that reflect what is currently known about interpersonal communication complement practical skills explaining why course concepts are important in an undergraduate’s everyday life.

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CHM 118: Advanced General Chemistry
Alexandra Strom · Smith College
This course is for students with a very strong background in chemistry. The elementary theories of stoichiometry, atomic structure, bonding, structure, energetics and reactions are quickly reviewed. The major portions of the course involve a detailed analysis of atomic theory and bonding from an orbital concept, an examination of the concepts behind thermodynamic arguments in chemical systems, and an investigation of chemical reactions and kinetics.

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Nobody Wants a Boring Speech: Connect and Make It Matter
Joel Sakakihara, Russell Hong, and David A. Hamilton · De Anza College
Public speaking is a skill that grows with practice, preparation, and purpose. This accessible guide helps students develop their voice, connect with audiences, and communicate ideas confidently and ethically—in the classroom, workplace, community, and beyond.

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OT - PDX - Metro: General Chemistry III
LibreTexts
LibreTexts

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BIO Majors 4A+4B Lab Manual
Darcy Ernst, May Chen, Katie Foltz, and Bridget Greuel · Evergreen Valley College
This book is designed to cover the laboratory component of a two-semester introductory biology majors course series. The book's first half contains labs for a general and cellular biology course, while the second half contains labs for an organismal biology and biodiversity course. The text has been developed to meet the scope and sequence of the lab portion (hands-on, active learning) of C-ID BIOL 190 and 140.

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Differential Equations (No Linear Algebra Required)
Marilena Beckstrand, Adam Manriquez & Emad Shonoda · Mt. San Jacinto College
LibreTexts

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Trigonometry and Single Phase AC Generation for Electricians
Chad Flinn · British Columbia Institute of Technology
To understand electrical theory, it is important to have a grasp of trigonometry. Whether we are talking about single phase or polyphase power, trigonometry is a key concept. This textbook, divided into three sections, provides easy-to-understand and enjoyable lessons on trigonometry, vectors and AC generation for those training and working as electricians.

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Business Information Systems - Design an App for That
Anonymous · LibreTexts
This text is designed to help students get a feel for what a career in Management Information Systems (MIS) would be like. Our students report that they learn more about information systems from their internships than from their IS courses. Consequently, we designed a course that looks very much like an internship—an introduction to the field followed by a substantial project.

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3.6: Identifying Rhetorical Appeals- Logos, Pathos, and Ethos
LibreTexts
LibreTexts

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UCD: Physics 9D - Modern Physics
Tom Weideman · University of California, Davis
Physics 9D introduces the 20th-century topics of special relativity and quantum theory to science and engineering majors.

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A Contemporary Approach to Research and Statistics in Psychology
Klaire Somoray · James Cook University
This book is designed as a short and introductory resource specifically aimed to help students grasp key concepts typically found in undergraduate psychology statistics subjects. It was initially developed for online and intensive programs, which are becoming increasingly popular in psychology education. The book utilises jamovi, a free and open-source statistical software.

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Kinematics With Video Examples
Prem-Raj Ruffin · Prince George's Community College
College Physics Kinematics (Open Stax) with detailed videos of typical problems (Raj Ruffin, PGCC)

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LibreTexts Training Materials
Paul Seeburger · Monroe Community College
LibreTexts

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CHM 223 Chemistry III: Organic Chemistry (2025)
LibreTexts
Material builds on introductory organic chemistry topics covered in CHM 222 and focuses more heavily on retrosynthetic analysis and multistep synthetic planning. Specific topics include reactions of alkyl halides, alcohols and ethers; aromaticity and reactions of benzene; and cycloaddition reactions including the Diels-Alder reaction.

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Chem 151: Preparatory General Chemistry OER
Thomas Gisel · College of the Canyons
CHEM 151 at College of the Canyons is a Preparatory General Chemistry course. It serves as a foundation for students pursuing careers in science and provides a deeper understanding of chemistry concepts. The course covers topics like basic atomic theory, stoichiometry, nomenclature, states of matter, and solution chemistry.

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All Are Welcome: An Introduction to the Hospitality Industry
Christy Douglass et al. · LibreTexts
LibreTexts

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Business English for Success
Anonymous · LibreTexts
This text starts with a solid foundation in written communication with several opportunities to both review the fundamentals as well as to demonstrate mastery and move on to more challenging assignments. Our students are sometimes learning English as they enter a business program and benefit from the attention to the basics. At the same time this text often articulates as a course-equivalent for English or fulfills a writing requirement for a degree program.

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Oceans of Data
Tasha Gownaris · Gettysburg College
This introductory oceanography book explores the oceans as interconnected geological, chemical, physical, and biological systems. Topics include plate tectonics, ocean sediments, seawater properties, climate and circulation, carbon cycling, ocean acidification, El Niño, and marine productivity, showing how ocean processes shape Earth’s climate, ecosystems, and environment.