Yes, you can!
To copy and paste a section of an eTextbook, highlight the section using your cursor. When the pop-up appears, click the “Copy text” button to copy your selection to your device's clipboard.
The amount of content you can copy and paste differs between books and is restricted by the publisher’s copyright.
To view what’s on your clipboard:
On MAC
Click on the finder icon in the toolbar, then navigate to the “Edit” button in the top left-hand side of the screen. From here, click “Show Clipboard” to see what content has recently been cut or copied.
On Windows
Press Windows key + V to open your clipboard and see what has most recently been cut or copied.