Stack of three hardcover books from spine view.
Schlüsselwörter
book,
stack,
reading,
education,
library,
spine,
cognition,
study,
learning,
school,
academic,
literature,
textbook,
archive,
collection,
paper,
cover,
hardback,
book,
research,
student,
university,
college,
lesson,
wisdom,
information,
resource,
publishing,
story,
author,
fiction,
non-fiction,
bookshop,
shelf,
pile,
icon,
vector,
illustration,
flat,
design,
simple,
graphic,
isolated,
white,
background,
colourful,
blue,
orange,
yellow
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