Two Piled Books

A stack of four books of different sizes.

Stack Of Books

Two closed books piled up on one another.

Stack Of Two Books

A collection of many books, standing and facing side, as if they were on a shelf.

Book Collection

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 stack of eight books on a small chair or stool.

Small Stool With Stacked Books On It

Book Spine

A row of four vertical books, three straight and one tilted, seen from the side.

Row Of Four Books 

Lit Filament Lightbulb

A desk lamp standing on a pile of two books.

Desk Lamp Standing On Pile Of Books

An upper view of a vertically tilted closed book.

Tilted Closed Book 

Shelf With Books

Pile Of Four Books

Three books of different sizes stacked horizontally.

Three Stacked Books

A semi-filled library shelf with books and a globe.

Bookshelf 

Two closed books piled on top of one another. 

Two books

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.

A basic filament light bulb with a wire inside and a screw bottom.

Basic Lightbulb

Opened Book

A large symmetrical museum building with posters, pillars, stairs and a waving flag on the roof.

Museum

A closed book laying flat, seen from the bottom.

A large symmetrical museum building with posters, five pillars, stairs and a waving flag on the roof.

A full bookshelf with binders, books and a storage box. 

Bookshelf

Three tall bookshelves with four shelves and many rows of books.

Bookshelves With Books

A closed book upright, facing front at an angle.

A row of many different standing closed books, as if they were on a shelf, in three quarters view.

Row Of Books

Four books forming a stack, or overlapped rectangular shapes.

Stack Of Four Books

A closed book laying flat, seen from the side.

A rectangular thin bookshelf with books on three different shelves.

Bookshelf With Books

Pile Of Three Books

Three organized file books or binders, seen from the side.

Three Binders

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

A filament light bulb icon inside a circle.

Light Icon

Three books standing, one faced front and two faced side.

Three Standing Books

A bookshelf with many books and a small globe.

A stack of books facing the side, as if they were on a bookshelf.

Five Books

Closed book 

A stack of two books laying horizontally.

Two Stacked Books

Two books standing, one thicker and straight, the other slimmer and tilted, seen from the side.

Two Standing Books 

Three books stacked vertically, seen from the side.

Row Of Three Books 

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

Three closed books piled up on one another.

Stack Of Three Books

A closed book facing side while laying flat.

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

Illustrations of knowledge