We can actually deduce here that the book that the author use in the passage is: Sibling relationships.
<h3>Who is an author?</h3>
An author is actually known to be a person who writes, publishes and sells the published book. Authors share their knowledge, expertise and experience through writing.
We see in the attached image the passage that completes the question.
Thus, the actual book the author used in this passage is that of sibling relationship.
Learn more about author on brainly.com/question/15816956
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1:b
2:d
3:Oooo I can't answer this one without context
4:b
The quintessential quality to making a friend is to be accepting of others for both their positive and negative characteristics. Friendship making is something that requires both interest and initiative. In order to improve your ability to make friends, you must accept what is appealing to you and what is appealing to others in making a friend.
Add some more commas and periods. This might fix some run-on sentences in there.