The links below are free online resources that allow you read and search the books given through Emanuel Swedenborg.

The complete Standard Edition of the Theological Works in PDF form: Swedenborg Foundation Press.

You can also search all of the writings at this site: Heavenly Doctines.org
 
If the site above is too technical for you; you may wish to use this site, which provides specific subjects  to help you find what you are looking for: e-Swedenborg.

Project Gutenberg is providing several books of the writings in e-book format so that you can take them with you on your mobile device:

If you own an Amazon Kindle or use Google Books, search for Swedenborg and you will find many free books by him available.