I need help with this question!

Identify the use of the italicized noun clause.

"What books tell us" should encourage us to learn more.

object of preposition
direct object
subject

Question

I need help with this question! 

Identify the use of the italicized noun clause.

"What books tell us" should encourage us to learn more.

object of preposition
direct object 
subject

tatumlee · Answer

which do you think the answer is?

ram231 · Answer

I believe the answer is direct object

tatumlee · Answer

I think I agree based on what I have read,

tatumlee · Answer

http://www.grammar-monster.com/glossary/direct_object.htm

tatumlee · Answer

I am not completely sure, but I think you might be right

tatumlee · Answer

actually no, I think it is subject

tatumlee · Answer

https://www.google.com/search?q=subject+definition+grammar&oq=subject+definition+gr&aqs=chrome.0.0j69i57j0l4.5221j0j7&sourceid=chrome&es_sm=93&ie=UTF-8

anonymous · Answer

subject. the subject is waht the books tell u.

anonymous · Answer

I'd say its the subject, the subject comes before everything else and if you look at the whole paragraph then you'll see that the sentence enclosed in parentheses is the first sentence in the paragraph