Affordable Course Materials & Open Educational Resources

High quality open access textbooks from Rice University. Topics cover many typical high enrollment courses, such as:
American Government
Anatomy & Physiology
Astronomy
Biology - Microbiology
Business: Intro to, Accounting, Management, Bus Statistics
Chemistry
Economics, Macro-economics, Micro-economics
History (U.S.)
Mathematics - Algebra, pre-Algebra Trigonometry, Calculus, Pre-calculus
Physics
Psychology
Sociology
Statistics.

Includes open texts funded by British Columbia government and open texts reviewed by faculty on many topics. Easy to scan by topic area.

Searchable collection of open textbooks.

A joint project of the University of Florida Press and the UF Libraries provides high quality texts in free PDF, many of which can also be purchased in print. Many topics included.

These "open-access textbooks have been judged to meet the evaluation criteria set by the AIM editorial board." Covers many mathematical disciplines, including statistics.

Lists by subject of college level open access texts for Computer Science, Mathematics, and Physics.

Links to open texts in PDF format. As of March 2019, it was listing only mathematics texts.

Includes quality medical textbooks underwritten by foundations and societies.

Many titles on a wide variety of topics published by the Satate University of New york system.

"A free, comprehensive, peer-reviewed, award-winning Open Text for students and faculty in college-level courses that require writing and research." Uses an interesting model that allows for collaborative authorship and an editorial board.

Open access writing texts vetted by an editorial board of professors from multiple colleges. Site hosted at Colorado State University.

This "build-your-own" open access psychology textbook project allows instructors to choose chapters. It also offers a few "ready-made" texts and there are print options. Founded by emeritus faculty from the University of Illinois with authors from many reputable universities, including Harvard and Yale.

Open textbooks from the University System of Georgia.

Computer science texts written by Allen B. Downey, Franklin W. Olin College of Engineering.

Peer reviewed scholarly monographs from the University of California Press that can be read online or downloaded for free.

Open textbooks published on university repositories.

Faculty at Grand Valley State University have published some open access texts on their library's Digital Commons repository. Includes texts on:
Calculus
Simulation in Manufacturing
Human Osteology
Mathematical Reasoning
Writing

Faculty at USF have published some open access texts on their library's Digital Commons repository. Includes texts on several mathematics topics, research methods in the social sciences, journalism, and writing.

Complete text of numerous titles available in PDF--mostly literary and other humanities topics.

Several open access texts covering topics such as writing, grammar, technical writing, biology, and hydraulics.

Includes:
Contribute a Verse: A Guide to First Year Composition
Compact Anthology of World Literature
Principles of Macroeconomic Literacy
The Basics of American Government
History in the Making: A History of the People of the United States of America to 1877

Includes Fundamentals of Business, Electromagnetics,  Veterinary Epidemiology, and Introduction to Linear, Time-Invariant, Dynamic Systems for Students of Engineering.

Written by a Sociology prof Ron J. Hammond & revised in cooperation with Sociology profs at other institutions. Available in both html and PDF. Test bank available to instructors.
Introduction to SOCIOLOGY
SOCIOLOGY of the Family

"Pitt Press has selected 762 monographs for open access, including titles from the Pitt Latin American Series, Pitt Series in Russian and East European Studies, and Composition, Literacy and Culture. The majority of these titles are out-of-print, but are now available online."

Open access texts from AU Press, a Canadian university press. Includes three texts:
Legal Literacy: An Introduction to Legal Studies
Mind, Body, World: Foundations of Cognitive Science
Open Data Structures: An Introduction

Download books for the study of ancient Near Eastern civilizations, including Anatolian studies, archaeology, Egypt, epigraphic survey, Hittite civilization, Islamic studies, language and text studies, Mesopotamian civilization, Nubian civilization, Iranian civilization, prehistoric Near East, Syro/Palestine

Open access textbooks that are free to download and available for purchase in inexpensive print form. These include free teaching tools such as labs, videos, and datasets. Texts include: Statistics, Statistics with Randomization and Simulation, Advanced High School Statistics.

Introduction to Computing : Explorations in Language, Logic, and Machines
Forecasting: principles and practice
Statistical foundations of machine learning
Electric load forecasting
Modal logic of strict necessity and possibility
Applied biostatistical analysis using R
Introduction to environmental economics

Principles of Biology, Workplace Writing, Written Communication for Engineers, and more.

Freshman composition, ESL, Japanese, Arabic, Spanish literature, special education, mathematical analysis, GIS, developmental systems, gender and sexualities,.

Introduction To MIPS Assembly Language Programming; Digital Circuit Projects: An Overview of Digital Circuits Through Implementing Integrated Circuits

Curriculum manuals for using real world issues in teaching mathematics.

A "non-profit consortium of mostly US law schools that conducts applied research and development in the area of computer-mediated legal education. The organization is best known in law schools for CALI Lessons, online interactive tutorials in legal subjects. . ." CALI also has a number of law related textbooks that can be downloaded for free.

Peer reviewed open access books related to writing across the curriculum.

Open education resources from Saskatchewan Polytechnic, University of Regina, and University of Saskatchewan. Includes OER's for a variety of courses, including business, fine arts, journalism, public speaking, education, the sciences, and more.

Texts on international relations topics, free to download. Project of a UK nonprofit, funded by advertising on the site.

Spanish learning materials from the University of Texas at Austin, includes beginning language materials as well as Spanish literature texts.

Open Texts from UW-Madison., include titles such as a reader for first year English and an intro text on political thought, as well as titles such as Political Theory of the American Revolution, Isolationism and Empire, and 13 Principles of Good Learning in Games — Applied to Teaching.

"publishes high quality, peer reviewed open access books in the field of linguistics." Includes a grammatical theory text and a text for introduction to semantics & pragmatics.

This award winning open text is a students' guide for classroom and career success. This text, designed to show how to be successful in college and in career preparation focuses on study skills, time management, career exploration, health, and financial literacy.

A peer reviewed introductory Mass Communication Text written by a professor at Southern Illinois University Edwardsville.

Free public speaking text can be downloaded in PDF. Site offers additional learning materials. Verified faculty have access to a test bank.

This open text was written by students at the University of Saskatchewan.

Researchers "examine the question of variability and consistency in early language through the lens of the CDI" - MacArthur-Bates Communicative Development Inventory (CDI).

More than 5000 titles from respected presses are now available at no cost to libraries or users.

Most books listed are not suitable for use as texts, but this may change as this project expands.

Open access books on many topics. Unfortunately, it isn't easy to search or browse the open book content separately from the open journal articles.

The Internet Archive and Open Library offers over 11,000,000 fully accessible books and texts. Books published prior to 1923 are available for download.

Most of these are more useful for research than for classroom reading use, but some may be useful for upper level courses. It's easy to browse by subject area on the site.

Large collection of open access scholarly books in multiple languages. Easy to search of browse. Most more useful for research than as course texts.

British publisher of academic books. There is a free html version of each book, plus inexpensive options for other formats. A few might be useful for undergrad courses, but most are highly specialized books.

Open access scholarly monographs in the humanities and social sciences funded by a consortium of libraries.

Open access scholarly books that may be useful for upper level classes.