When you click on a link below, the ePub book will be downloaded to your computer.
Any ePub viewing software can read the ePubs.
One easy way to put them on your mobile device is to use Google Play Books.
Open Google Play Books in your web browser using Chrome. Click on Your Library. Then click on Upload files. Browse to the ePub you want to upload, select the ePub, etc.
If you have Google Play Books on your Apple or Andriod mobile device, you will see the ePub you added through the web browser on your computer.