The icon is shaped like a square with the top left corner being curved and the top and bottom right side corners being pointed. The bottom left corner curves into a oval shape that runs the length of the square but doesn't close at the end. Inside the square is an arrow pointing down with 3 dots at it's tail.
Related to Borrow Book Icon
Related icons are the icons with matching tags, as well as all science icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors