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"Libros" is a form of "libro", a noun which is often translated as "book". "Aquel" is an adjective which is often translated as "that". Learn more about the difference between "libros" and "aquel" below.
el libro(
lee
-
broh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. book
Leer un libro es perderse en otro mundo.To read a book is to get lost in another world.
Esperamos una hora para que el autor firmara nuestra copia de su libro.We waited an hour for the author to sign our copy of his book.
aquel(
ah
-
kehl
)An adjective is a word that describes a noun (e.g., the big dog).
a. that
Me gusta mucho aquella casa que hay en lo alto de la colina.I really like that house on top of the hill.
Aquel coche estacionado allá es mío.That car parked over there is mine.
