Saturn Planet

A closed book stacked under a closed spiraled notebook.

Book And Notebook

Two closed books piled up on one another.

Stack Of Two Books

Uranus Planet

Rocket

A chronometer watch with rapidly moving hands.

Chronometer

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 round analog wall clock without numbers, seen from an angle.

Round Clock

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

Row Of Four Books 

Round Analog Clock

A planetary model project with six planets and wooden sticks holding them in place.

Planetary Model

A desk lamp standing on a pile of two books.

Desk Lamp Standing On Pile Of Books

A closed book or box with square decorations.

A disposable cup of coffee to go with a cardboard sleeve. 

Disposable Coffee Cup

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 

Fountain Pen

A closed book seen from the side, laying flat.

Atom

A closed book laying flat, seen from the bottom.

Three equal-sized dots or rings representing an ellipsis.

Three Dots 

Paint Flask Or Pill Bottle

A closed book upright, facing front at an angle.

A trash can icon with files and a sans serif style capital letter K.

Trash Can Icon

A closed book laying flat, seen from the side.

Book Search Icon

Face Mask

Pile Of Three Books

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

Three Binders

Felt Tip Pen

A happy seated woman or teacher with crossed legs, wearing trousers, a sweater, a shirt and round glasses, looking sideways and painting a ball with a brush. 

Seated Woman Painting A Ball

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

Three Standing Books

Marker Pen

A bookshelf with many books and a small globe.

Bookshelf

Smiley Face

A thumbs up icon in a speech bubble shape.

Thumbs Up Icon In A Speech Bubble

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

Five Books

Closed book 

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 closed transparent full paint flask with a plain label.

Paint Flask 

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

Paper Plane

A linear or outlined happy face icon with a big open-mouth smile.

Happy Face Icon

Face Mask 

A closed book facing side while laying flat.

A round analogical clock without numbers.

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