Digital library
Textbooks, references and open learning resources.
External
Elementary Differential Equations with Boundary Values Problems
William F. Trench · Trinity University
This text is written for students in science, engineering, and mathematics who have completed calculus through partial differentiation. This book is intended to serve as the book for students in MAT 266 Differential Equations with Linear Algebra at Community College of Denver.
External
Environmental Geology for CBE
Kelly Ruppert · Coastline College
LibreTexts
External
INT 2080: The Missing Link - An Introduction to Web Development (Mendez)
Kunle Elebute · Prince George's Community College
LibreTexts
External
Water 161: Wastewater Treatment and Disposal II
Nick Steffen · College of the Canyons
This text examines advanced topics in conventional wastewater treatment processes including alternative secondary treatment methods, tertiary treatment, disinfection and dechlorination, solids handling, water recycling, and industrial waste management. Assists in preparation for Grade 2 Wastewater Treatment Plant Operator Certificate examination given by the State of California Water Resources Control Board.
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Understanding Music - Past and Present
Clark, Heflin, Kluball, & Kramer · University System of Georgia
Understanding Music: Past and Present is an open Music Appreciation textbook co-authored by music faculty across Georgia. The text covers the fundamentals of music and the physics of sound, an exploration of music from the Middle Ages to the present day, and a final chapter on popular music in the United States.
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Building Information - Representation and Management Principles and Foundations for the Digital Era
Alexander Koutamanis · Delft University of Technology
The book presents a coherent theory of building information, focusing on its representation and management in the digital era. It addresses issues such as the information explosion and the structure of analogue building representations to propose a parsimonious approach to the deployment and utilization of symbolic digital technologies like BIM. It also considers the matching representation of AECO processes in terms of tasks.
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College Writing and Beyond
Brandy Wilds · Coalinga College
LibreTexts
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Safety in the Workplace
Andrew Paasch · Northeast Wisconsin Technical College
This text addresses safety awareness, federal/state/local compliance, inspections, risk analysis, workplace violence, substance abuse, health hazards, first aid, CPR, fire and electrical safety, and emergency preparedness.
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Public Speaking
The Public Speaking Project · Millersville University
This text offers an assortment of virtual tools to help users improve their public speaking skills. A variety of speech professionals who are dedicated to providing free and low cost instructional materials contributed their original work.
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Organic Chemistry Lab Textbook
Evan Joslin · Sewanee
LibreTexts
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Introduction to Human Services
Ashley Patros & Keri Grokowsky · Western Technical College
LibreTexts
External
World Religions I
Lumen Learning · Lumen Learning
World religions is a category used in the study of religion to demarcate the four—and in some cases more—largest and most internationally widespread religious movements. Christianity, Islam, Hinduism and Buddhism are always included in the list, being known as the "Big Four". Some scholars also include other world religions, such as Judaism, Sikhism, Taoism, the Baháʼí Faith, Jainism, Confucianism, Shinto and Zoroastrianism, in the category.
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BIOL3300 Genetics
Stefanie West Leacock · University of Arkansas at Little Rock
LibreTexts
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Organic Chemistry II
Seann Mulcahy · Providence College
This Libretext is for the second semester of organic chemistry at Providence College. The course materials have been adapted from the lecture notes I have accumulated over the years and Organic Chemistry, 5th edition, by Maitland Jones, Jr. and Stephen Fleming. Course topics include radical reactions, conjugation, aromaticity, aromatic substitution, carbonyl addition, carbonyl substitution, and reactions of enolates.
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Doing Research
Celia Brinkerhoff · Kwantlen Polytechnic University
A modules-based approach to learning research skills that emphasizes the reflective nature of information discovery, the contextual basis for evaluating that information, and a recognition that information has value.
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Field Experience Practicum in ECE
Laura Daly · Woodland Community College
Field Experience Practicum in Early Childhood Education guides students in applying theory to practice through hands-on experience in early learning settings. Grounded in the Project Approach and relationship-based teaching, the text emphasizes observation, documentation, reflection, and collaboration with children, families, and colleagues. Designed for practicum students, it integrates coursework with real-world application and professional growth.
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AST102: GC OER
Ryan Johnson · Gettysburg College
LibreTexts
External
Minicourse Participant Sandbox - Master
Paul Seeburger · Monroe Community College
LibreTexts
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Introductory Probability
Charles Grinstead & J. Laurie Snell · Dartmouth & Swarthmore Universities
This text is designed for an introductory probability course taken by sophomores, juniors, and seniors in mathematics, the physical and social sciences, engineering, and computer science. It presents a thorough treatment of probability ideas and techniques necessary for a firm understanding of the subject. The text can be used in a variety of course lengths, levels, and areas of emphasis.
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MacArthur Chemistry 3A v 1.2
jamie.macarthur · maderacollege
This text is for a survey course in the principles of inorganic chemistry covering the composition of matter, physical and chemical changes, atomic and molecular structure, inorganic nomenclature, chemical formula and reaction calculations, gas laws, bonding, solutions, net-ionic equations, acid-base theories, pH, oxidation-reduction reactions, thermodynamics, nuclear chemistry and equilibrium. The course emphasizes problem solving and chemical calculations.