There are numerous places to look for an open textbook. These are three of the most popular due to the quality of the content. If you cannot find a textbook in your area, please contact your OER librarian.
These databases contain high quality images for general purposes and subjects. There are many more focused databases that may be better for certain disciplines. Those will be listed under each subject area. Please check each image carefully to make sure it is freely available to use.
The following require you to narrow to open licenses. On each web page, look for a menu that lets you narrow and focus.