Updated as of 1 April 2022: Removed Boundless, California Learning Resource Network, College Open Te
Updated as of 1 April 2022: Removed Boundless, California Learning Resource Network, College Open Textbook, Free Math Books, and the Global Textbook Project. Please note that this post was originally posted in 2015, and domains or content could be way different from what it is today. I will not be updating this list with new sites. Please check any other suggestions from the comments with caution. Thank you!Press Ctrl+F or ⌘F to do a quick search!bookboon // for accounting, business, economics & finance, engineering, IT & programming, languages, marketing & law, natural sciences, statistics & mathematics (+ career & study advice, strategy & management)booksee // for arts & photography, biographies & memoirs, business & investing, computers & internet, cooking, entertainment, health, history, home, law, literature & fiction, medicine, references, religion, science, sports, travel, and other categoriesbookstacks // for popular classicsck-12 // for elementary math, arithmetic, measurement, algebra, geometry, probability, statistics, trigonometry, analysis, calculus, earth science, life science, physical science, biology, chemistry, physics, sat exam prep, engineering, technology, astronomy, english, historyebooklobby // for arts & photography, biographies & memoirs, business, computers & internet, cooking, entertainment, health, home & garden, law, literature & fiction, sports, travelopenstax cnx // for arts, business, humanities, mathematics & statistics, science & technology, social sciencesopen culture // for art history, biology, business & management, chemistry, classics, computer science & information systems, earth science, economics & finance, education, engineering, history, linguistics, law, mathematics, music, philosophy, physics, political science, psychology, sociologyopen textbook library // for accounting and finance, business, management & marketing, computer science & information systems, economics, general education, humanities & language, law, mathematics & statistics, natural & physical sciences, social sciencestextbook revolution // for biology, business & management, chemistry, computer science & technology, earth sciences, economics, engineering, environment, ESL, health sciences & medical, mathematics, physics, society and social sciences, sociology, world history+ suggested by our readers:thriftbooks // the books are not free, but you can buy used books that are still in good quality for a low pricelibrary genesisIf you know other helpful sites, please let me know so I can add it to the list or add it in the comments via your Tumblr dashboard. Let’s help each other out! -- source link
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