Two Piled Books

Book

Stacks Of Books

A closed book laying flat, seen from the side at an angle.

Closed Book

An open book seen from the back at an angle.

Open Book

A closed book or notebook laying flat, facing side.

Closed Book Laying Flat

A book with the label "MATH" and the numerals 2, 3 and 4 on the cover. 

Math Textbook

Stack Of Books 

Book Spine

Books

Stacked Books

An upper view of a vertically tilted closed book.

Tilted Closed Book 

Two Textbooks

Two Books

A plain closed book, tilted and facing front at an angle.

An icon of lungs with information, which could be poster or textbook content.

Lungs Poster

Open Book With Pie Chart

Two stacked books or folded clothes of different sizes on a shelf.

Stacked Folded Clothes Or Books On A Shelf 

A closed book seen from the side, laying flat.

Open Book Facing Back

An open book laying flat with a page up, seen from its top or bottom.

Opened Book

Spine Of Math Book

Spine Of Physics Book

An open book showing pages with rectangles indicating pictures.

Open Book With Pictures

A closed book laying flat, seen from the bottom.

An opened textbook with lines and boxes with a red cross mark.

Opened Textbook With Lines And Boxes

Textbook

A closed book upright, facing front at an angle.

A closed book laying flat, seen from the side.

A large pencil and an open book with text and image blocks on the right page, a blank page on the left and a ribbon bookmark in the center.

Open Book With Large Pencil, Bookmark, Image And Text

A tilted opened book or magazine, seen at an angle.

Tilted Open Book

A closed book laying flat, seen at an angle with its name on the spine.

An Earth planet icon with a triangle containing an exclamation point and a rectangular, blank speech bubble.

Planet With Warning Sign And Speech Bubble

Closed book 

A thick closed book laying flat, seen from the side.

Stack Of Books

A closed book facing side while laying flat.

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

Illustrations of textbook