Digital library
Textbooks, references and open learning resources.
External
Electric Circuits I Direct Current
Tony R. Kuphaldt · Bellingham Technical College
Modern life could not exist if it were not for electricity and electronics. The history of electricity starts more than two thousand years ago, with the Greek philosopher Thales being the earliest known researcher into electricity. But it was Alessandro Volta who created the most common DC power source, the battery (for this invention the unit Volt was named after him). Direct current (also known as DC) is the flow of charged particles in one unchanging direction (most commonly found as electron
External
The Astronomer's Guide to the Universe
Alessandro Baldi · Butte College
An introductory astronomy textbook covering the solar system, stars, galaxies, cosmology, and the methods astronomers use to understand the universe. Adapted from OpenStax Astronomy for an introductory college astronomy course.
External
History of Psychology
Amy Nusbaum · Heritage University
LibreTexts
External
Workplace Software and Skills
OpenStax · LibreTexts
Workplace Software and Skills is designed to flexibly support a range of courses covering computer literacy, Microsoft Office, and Google Suite applications. The textbook covers both hard and soft skills that are applicable to a broad range of academic majors and careers. Workplace Software and Skills leverages complementary product features in spreadsheet, word processing, presentation, and similar applications.
External
Comparative Anatomy and Physiology of Animals
Glené Mynhardt · Hanover College
Comparative Anatomy and Physiology of Animals explores the structure and function of animal bodies across major taxa, emphasizing both diversity and common biological principles. The text begins with the fundamentals of classification, tissues, and homeostasis, then examines the major organ systems—digestive, excretory, nervous, sensory, muscular, endocrine, respiratory, circulatory, and thermoregulatory.
External
Introduction to World Religions (NWTC)
Andy Tigert · Northeast Wisconsin Technical College
This text covers a wide range of religious traditions, including Asian, Indian, Middle Eastern, African, Australian, and American tribal religions, as well as European paganism and Wicca. It provides an overview of the beliefs, practices, and historical contexts of these diverse religious traditions.
External
Chem 1300: Preparatory Chemistry
Robert Belford · University of Arkansas Little Rock
LibreTexts
External
Financial Management for Small Businesses - Financial Statements & Present Value Models
Lindon Robison, Steven Hanson, and J. Roy Black · Michigan State University
This book is for those whose financial management focus is on small businesses. For you, we adapt the traditional financial management themes emphasized in corporate financial management courses to meet the needs of small businesses.
External
Electrical Engineering
Don Johnson · Rice University
The text focuses on the creation, manipulation, transmission, and reception of information by electronic means. Elementary signal theory; time- and frequency-domain analysis; Sampling Theorem. Digital information theory; digital transmission of analog signals; error-correcting codes.
External
Risk Assessment and Mitigation - A Practicum
Sukhjit "Bob" Singh · De Anza College
Risk Assessment and Mitigation – A Practicum is a hands-on, scenario-based textbook where students manage risk in a simulated startup. Through real-world tools and reflection, learners build technical skills and leadership confidence—developing the mindset to lead through uncertainty, not just document it.
External
Introduction to Humanities
Lori-Beth Larsen · Central Lakes College
This text is an introductory survey of the genres and themes of the humanities. The material focuses on philosophy, religion, language, and the arts. As themes, the ideas of freedom, love, happiness, death, nature, and myth are be explored. Typically, a study of humanities looks at western philosophers, maybe a few of the world religions, a history of western music and western visual arts. This textbook begins to break down the barriers of limiting ourselves to learning about western humanities.
External
APUS: An Introduction to Nutrition Version 1
Byerley · American Public University
This book is organized using a functional approach, which means that the material is organized around physiological functions, such as fluid and electrolyte balance, antioxidant function, bone health, energy and metabolism, and blood health, instead of organizing it strictly by nutrient.
External
Introduction to College Composition
Caroline Hopper Scott · College of the Siskiyous
LibreTexts
External
Who Made the World This Way? An Introduction to Global Studies
Miloni Gandhi · De Anza College
Explore an interconnected world through the forces shaping globalization, culture, migration, inequality, technology, politics, and the environment. This book invites students to question assumptions, uncover connections, and approach the world with curiosity and a critical lens.
External
Organic Chemistry
Wade Textmap · LibreTexts
Welcome to organic chemistry! This text has been written for students. It emphasizes the practical details and skills needed to master this challenging subject. Learning organic chemistry is brain yoga! Our brains become strong and flexible with practice. This is a map covering all of the material in Wade's Organic Chemistry. It is over 1400 pages and cannot be printed at the LibreTexts Bookstore.
External
Physics 9B Fall 2020 Taufour
LibreTexts
LibreTexts
External
Beginning Excel
Barbara Lave, Diane Shingledecker, Julie Romey, Noreen Brown, & Mary Schatz · Portland Community College
This textbook was written for a community college introductory course in spreadsheets utilizing Microsoft Excel. While the figures shown utilize Excel 2019, the textbook was written to be applicable to other versions of Excel as well. The book introduces new users to the basics of spreadsheets and is appropriate for students in any major who have not used Excel before. This textbook includes instructions for Excel for Mac also.
External
Concept Development Studies in Chemistry
John S. Hutchinson · Rice University
This collection of Concept Development Studies in Chemistry is presented to redirect the focus of learning. In each concept development study, a major chemical concept is developed and refined by analysis of experimental observations and careful reasoning. Each study begins with the definition of an initial Foundation of assumed knowledge, followed by a statement of questions which arise from the Foundation.
External
Introduction to Communication
Scott T. Paynton and Laura K. Hahn with Humboldt State University Students · Humboldt State University
This textbook is targeted for Introduction to Human Communication courses that introduce students to the study of Communication. The underlying organization addressed the importance of students to be able to answer the question, “What is Communication Study?” in a way that captures the field of Communication appropriately, as well as an important discipline across colleges and universities.
External
A Short Guide to Argumentative Writing
Mary Jo M. Keiter · HACC, Central Pennsylvania's Community College
Writing clear and convincing arguments is an important skill as a student.