The sentence that actually revises this sentence to include a prepositional phrase is: Her favorite book by John Steinbeck is East of Eden.
<h3>What is revision?</h3>
Revision is known to be the process of making changes to a work in order to improve it and make it more better and easy to be understood. Revision actually helps to enhance understanding.
We can see that the sentence that revises the given sentence to include a prepositional phrase is "Her favorite book by John Steinbeck is East of Eden.". The prepositional phrase here is: "by John Steinbeck".
