Each book contains 410 pages.
Each page, 40 lines.
Each line, 80 characters.
Each character can be a space, a letter, a comma, or a period.
The number of atoms in the observable Universe is estimated to be a number with 80 digits.
There are 291,312,000 books in the Library of Babel — a number with 1,918,667 digits.
They are all available here.
To find one, start by searching for text:
Search for text