This novel is interesting enough.
This novel is by far more interesting than that one.
I love reading science fiction novels.
This book is really interesting.
This novel is both interesting and instructive.
This science fiction story seems interesting. Will you lend it to me when you have finished reading it?
The novel has an interesting plot.
That novel was unexpectedly interesting.
It is worth while to read this novel.
It is worthwhile to read this novel.
This book is very interesting.
It is worth while to read this novel.
It is worthwhile to read this novel.
This novel has nothing to recommend it.
This story is very interesting.
That book is very interesting.
Every time I read this novel, I find it very interesting.
This book looks interesting.
What an interesting novel this is!
This novel is difficult to understand.