Them would be the correct pronoun for this sentence because books is plural and is an object, so its pronoun must be third person. The 3rd person plural pronoun in English is they, and its objective/accusative form (the form used when the item is the object of a verb) is them, so there's your answer.
Answer:
verbals
Explanation:
we don't always know what people are saying
Hello, A paragraph with its topic sentence last would be called an inverted
triangle. The point (being the topic), The base (being anything backing
up the topic).
~Transparent
