Stack of books with up top apple on it.
Schlüsselwörter
book,
business,
paper,
apple,
school,
book,
white,
education,
retro,
blue,
red,
science,
notebook,
cover,
library,
university,
learning,
research,
study,
text,
cognition,
spine,
information,
hardcover,
wisdom,
antique,
pile,
stack,
history,
expertise,
empty,
collection,
archive,
blank,
dirty,
document,
4,
group,
heap,
literary,
literature,
many,
object,
open,
page,
publication,
publishing,
read,
studying
Deutsch
