Noun and の adjective
しょうせつ
この小説マジで大好きだわ。これはホンモノだよ。
I seriously love this novel. This is legit.
お父さん、小説が売れて鼻高々だね。
Dad is glowing with pride because his novel is selling well, huh?
「ほら、これでなみだと鼻をふきなよ」と言いながら、コウイチは読んでいた小説のページを一枚やぶって、クリステンにわたした。
“Here, wipe your tears and nose,” Koichi said, ripping off a page of the novel that he'd been reading and handing it to Kristen.
A small theory is some idea you have that you put on paper. Perhaps it's an idea about life, that you write in the form of a novel?
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.