How do I delete an e-book from device memory?

How do I delete an e-book from device memory?

On iOS devices:

• In Read application on iPhone
  - in My books section swipe the line with the book.
  - Move option will appear, tap on it and select Archive.

• In Read application for iPad
  - Go to My books section
  - In the right upper corner of screen tap on the pencil icon.
  - In the line with the desired book click on Minus icon.
  - Button Move will appear, tap on it and select Archive.

• In Listen application for iPhone
  - In My books sectionswipe the line with the book.
  - A button named My books will appear. Tap on it.
  

• In Listen application for iPad
  - Go to My books section.
  - In the right upper corner of screen tap on the pencil icon.
  - In the line with the desired book click on Minus icon.
  - Button Move will appear, tap on it and select Archive.

• In Read application
  - Go to My books.
  - In the line with the desired book tap on the icon with three dots.
  - In the menu which appeared tap on Delete the file.

• In Listen application
  - Go to My books.
  - tap and hold the line with the desired book until the command To archive appears.