Free OpenStax Textbooks
Access free, peer-reviewed, openly licensed textbooks from OpenStax. These high-quality resources are perfect for homework help, test prep, and deepening your understanding of any subject.
Visit OpenStax.orgMathematics5 books
Algebra and Trigonometry
Comprehensive coverage of algebra and trigonometry for college students.
Prealgebra
Foundation in arithmetic and basic algebra concepts.
Elementary Algebra
Introduction to algebraic concepts and problem-solving.
Calculus Volume 1
Functions, limits, derivatives, and integrals.
Statistics
Introductory statistics with real-world applications.
Science5 books
Biology 2e
Comprehensive introduction to biological concepts.
Chemistry 2e
General chemistry covering atoms to reactions.
Physics
Algebra-based physics for science majors.
Anatomy and Physiology
Human body systems and functions.
Astronomy
Explore the universe from planets to galaxies.
Social Studies5 books
U.S. History
Comprehensive American history from pre-Columbian era to present.
World History Volume 1
Global history from ancient civilizations to 1500.
American Government
Understanding the U.S. political system.
Introduction to Sociology
Study of human society and social behavior.
Psychology 2e
Introduction to psychological concepts and research.
Business3 books
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