Step 1: Click to download the preferred file format to your device.
Step 2: Open the "Download" folder on your device.
Note: Often this is found in your internal storage.
Step 3: Click on the downloaded file.
Step 4: Choose the app to open the file in. I.e. Google Books, Lithium, etc.
Step 5: Open the app you selected to read the book.
Step 6: Go to Downloads and select the book to open in the app.
Step 7: Enjoy the read.