A stack of books that could be textbooks.
Palabras clave
textbook,
old,
book,
stack,
education,
book,
literature,
isolated,
library,
school,
paper,
white,
pile,
cognition,
reading,
study,
cover,
textbook,
group,
learning,
wisdom,
read,
information,
heap,
hardcover,
text
){kind=link}