Can you name the two books that encompass the entirety of human knowledge?

[Dr. Strange]

I just found out about this, and it's blowing my mind. These two books cover everything in the sphere of human knowledge:

This book and this other book.

[mopinko]

1. i mean, it seems like that covers it.

[Generic Brad]

2. I can only think of one - the Dictionary

Mind blown.

[zanana1]

9. The other one is the Thesaurus. nt

[Leghorn21]

3. This is brilliant!!

I shall read them both and then - retire, I guess -

Thanks, doc!!

[DonaldsRump]

4. Mahatma Gandhi's The Story of My Experiments with Truth

Wonderful book.

[unblock]

5. That other book is huuuuge.

[Dr. Strange]

8. I'm amazed the second book is only 288 pages.

Must be a realllllly small font.

[brush]

6. Ever heard about the arts?

[KY_EnviroGuy]

7. Sure....

1. The Book of Know.
2. The Book of Don't Know.

Now if I can just remember where I put 'em......

[Wounded Bear]

10. I just need one...

[Dr. Strange]

11. And your towel...

of course.

[benld74]

12. BOTH for under $25!!!