A closed book with a curved spine laying flat, seen from the side at an angle.

Closed Book Laying Flat

Two closed books piled on top of one another. 

Two books

Two stacked books seen at an angle, the one at the bottom with a bookmark and the one on top with a round shape on its spine.

An open book with eight curved parallel lines of text on each page and a ribbon bookmark, facing front.

A thick closed book with a curved spine laying flat, seen from the side at an angle.

Four different-sized stacked books with curved spines.

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.