Digital library
Textbooks, references and open learning resources.

External
Early Childhood Education: STEM (NWTC)
Vicki Tanck · Northeast Wisconsin Technical College
This text covers the foundational concepts of STEM (Science, Technology, Engineering, and Math) for preschool-age children. It includes practical activities and strategies for educators to foster curiosity and develop essential skills in young learners through hands-on exploration and problem-solving.

External
CPSI10003 Microcomputer Applications 1 - Microsoft Excel
LueCrecy Ragan · Arkansas State University-Beebe
This book provides a complete guide to Microsoft Excel, starting with foundational skills like navigating the interface, entering and formatting data, and using basic formulas and functions. It then builds into advanced techniques such as custom formatting, data tables, complex formulas, and What-If analysis to support deeper data evaluation and decision-making. The content also emphasizes effective data visualization through charts, sparklines, and PivotCharts, along with tools that enhance pre

External
General Chemistry Supplement
Emily V Eames · LibreTexts
This general chemistry "text" was written by Emily V Eames as a supplement to a standard textbook. It includes both "overview" sections, providing summaries of most important info, and "story" sections, providing richer knowledge of history and applications.

External
An Introduction to Nutrition
Anonymous · LibreTexts
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
Math 372: College Algebra (Lecture Notes)
Roy Simpson · Cosumnes River College
This course provides a rigorous treatment of college-level algebra and its applications, focusing. Topics include polynomial, rational, radical, exponential, absolute value, and logarithmic functions, the graphs of these functions, and solving equations involving these functions; systems of equations; the theory of polynomial equations; analytic geometry including conics; sequences and series; and mathematical induction. Emphasis is given to analytical reasoning and problem-solving.

External
Mike’s Biostatistics Book
Michael R Dohm · Chaminade University
The lecture notes are written from my perspective on what matters in a semester-long, first course in Biostatistics: concepts, context and practical advice along with a generous introduction to general linear models. The focus is on applied statistics with reference to other data science skill sets as needed. Concepts are illustrated by examples and multiple choice questions to “test” reader comprehension.

External
Library Research Skills for First Year Seminar Students
Kara Blizzard · University of Alberta
This series of modules introduces students to library services and introductory research skills, including finding specific books and articles, choosing a research topic, searching for information using library databases, and citing information sources.

External
World Literature I - Beginnings to 1650
Laura Getty & Kyounghye Kwon · University of North Georgia
This peer-reviewed anthology includes introductory text and images before each series of readings. Sections of the text are divided by time period in three parts: the Ancient World, Middle Ages, and Renaissance, and then divided into chapters by location.

External
Western Civilization A Concise History I
Christopher Brooks · Portland Community College
This volume covers the origins of civilization in Mesopotamia c. 8,000 BCE through the early Middle Ages in Europe c. 1,000 CE and explores Mesopotamia, Egypt, Persia, Greece, Rome, the Islamic caliphates, and the early European Middle Ages.

External
PHIL 300: Introduction to Philosophy
Marnie Binder · Cosumnes River College
This text teaches students to apply the critical thinking techniques of analysis, evaluation, and synthesis to areas of philosophical inquiry including meta-philosophy, epistemology, metaphysics, ethics, political philosophy, philosophy of religion, history of philosophy, and existentialism.

External
Sociology of Race and Ethnicity
Jennifer Ounjian · Contra Costa College
With an eye on social justice and intersectionality, the text provides an analysis of the history, demographics, and contemporary experiences of the following racial-ethnic groups: African Americans, Asian American Pacific Islanders, Euro Americans, Latinx, Native Americans, and Middle Eastern Americans. This text is suitable for a sociology course on race and ethnic relations, introduction to ethnic studies, or a social justice studies introductory course.

External
Physics - From Stargazers to Starships
CK-12 Foundation · LibreTexts
An introduction to astronomy written with a historical perspective.

External
Physics 7A General Physics
Dina Zhabinskaya · UC Davis
Introduction to general principles and analytical methods used in physics for students majoring in a biological science. This text addresses energy conservation, work, three-phase model and phase transitions, thermal energy, bond energy, mechanical energies, potential energy and force, Lennard-Jones potential, microscopic description of thermal and bond energy, thermodynamics, and entropy.

External
Physical Geology
Karla Panchuk · University of Saskatchewan
Physical Geology is an interactive comprehensive introductory text on the physical aspects of geology, including rocks and minerals, plate tectonics, earthquakes, volcanoes, mass wasting, climate change, planetary geology, and more. It has a strong emphasis on examples from western Canada. It is adapted from Physical Geology, First University of Saskatchewan Edition.

External
Chem 1300: Preparatory Chemistry
Robert Belford · University of Arkansas Little Rock
LibreTexts

External
Essentials of Geographic Information Systems
LibreTexts · LibreTexts
This text integrates key concepts behind the technology with practical concerns and real-world applications. Recognizing that many potential GIS users are nonspecialists or may only need a few maps, this book is designed to be accessible, pragmatic, and concise. The text also illustrates how GIS is used to ask questions, inform choices, and guide policy.

External
Math 121- Plane Trigonometry
Vismar Jay Alfaro · University of Science and Technology of Southern Philippines- Jasaan
This textbook, prepared through LibreTexts, has been developed to support the course Math 121: Plane Trigonometry at USTP–Jasaan. It is designed to provide students with a structured, comprehensive, and engaging resource that aligns with the official course outcomes and weekly schedule.

External
CHE360: Inorganic Chemistry
LibreTexts
LibreTexts

External
Chemistry II
David Karlin · Williams School
LibreTexts

External
Correctional Systems and Practices
Lisa C. Bowman-Bowen · Coastal Bend College
LibreTexts