Stack of books with text.
Schlüsselwörter
book,
book,
stack,
pile,
text,
rudiments,
education,
learning,
library,
study,
school,
cognition,
reading,
literature,
information,
reference,
page,
page,
cover,
binding,
spine,
stacked,
collection,
heap,
batch,
set,
group,
series,
arrangement
Deutsch
