A stack of four colorful books with yellow blue green and red covers on a simple presentation on transparent background
Schlüsselwörter
stack,
book,
yellow,
blue,
green,
red,
cover,
learning,
education,
reading,
cognition,
literature,
textbook,
study,
school,
library,
pile,
colourful,
collection,
page,
paper,
publication,
novel,
story,
fiction,
non-fiction,
academic,
information,
text,
volume,
hardcover,
textbook
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