Introduction to Psychology: The Full Noba Collection
Noba Project, Diener Education Fund (many module authors), 2026
CC BY-NC-SA 4.0 Non-commercial use only, and Noba's own terms apply: link, do not resend.
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Free psychology books
Textbooks you can read, download and share legally: open licences and the public domain, each checked against its publisher's own page. Looking for something that is not here? Request it and we answer by email within 12 hours.
The Psychology of Human Thought: An Introduction
Robert J. Sternberg, Joachim Funke (eds.), 2019
CC BY-SA 4.0 Text CC BY-SA 4.0; the cover is CC BY-ND, so send the PDF unaltered.
Cognitive Psychology and Cognitive Neuroscience
Wikibooks contributors, 2026
CC BY-SA 4.0 Living wiki book: free to send with a link back to Wikibooks.
The Principles of Psychology, Volume 1
William James, 1890
Public domain Public domain (Project Gutenberg): free to send.
The Principles of Psychology, Volume 2
William James, 1890
Public domain Public domain (Project Gutenberg): free to send.
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