1. Reading is grafting, and the reader connects new text to another text read.
2. Reading is dancing, and the reader follows the lead and steps of the text, including its rhythm, music, lyric, genre, and flow.
3. Reading is sorting, and the reader puts knowledge and experience and dramatic elements of text into categories.
4. Reading is surveying, and the reader examines the territory of the book, its surface, size, structure, scope, distinguishing features, divisions, boundaries, etc.
5. Reading is integrating, and the reader incorporates new knowledge into other knowledge; blending and kneading together.
6. Reading is counting, and the reader is concerned with the number of pages in the text or how many pages are left until they can escape the text (also envision the image of a prisoner marking off days on calendar).
7. Reading is soaking up, and the reader absorbs the text like a sponge.
8. Reading is a vehicle, and the reader travels to another place.
9. Reading is eating, and the reader consumes and is nourished (or poisoned) by the text.
10. Reading is a mirror, and the reader sees reflection in text.
11. Reading is a machine, and the reader feeds the text through a mechanical process.
12. Reading is a transaction, and the reader and text exchange value: the reader receives knowledge and experience, the text receives meaning, and the newly produced response is the receipt or proof of the transaction.
13. Reading is exercise, and the reader gains intellectual agility and strength.
14. Reading is mining, and the reader digs into the text for answers.
15. Reading is a good investment, and the reader’s efforts pay off.
16. Reading is planting, and the reader receives seeds of knowledge that grow into new understanding.
17. Reading is unwrapping, and the reader opens the text to reveal a hidden message.
18. Reading is translating, and the reader moves the meaning from one language to another.
19. Reading is a friend, and the reader enjoys the companionship of the text.
20. Reading is wrestling, and the reader struggles with the text.
Yes, I answered multiply to several of them, especially where leisure and work reading overlap. You can, too. If you don't see metaphors you like here, you can go to the master list of 150 metaphors.
This is my meme, but I don't tag people. Just give me credit where credit is due, please.