If we analyze enough top Amazon sales ranked books, we notice the following pattern, they start with distant words and end with distant words but are tied together by closer ones. Putting it another way, a good title starts and ends with the least synonymous words while the middle is more synonymous.
Here is an example from a top-selling children's book titled "Happy Hippo, Angry Duck: A Book of Moods by Sandra Boynton":
The skew is calculated by taking the word embedded vector and cosine distances of each word and plotting them. Consider the "Happy Hippo, Angry Duck: A Book of Moods" title, we see that the distance between “Hippo” and “Angry” is very large, so is the distance between “of” and “Moods”, and they sit at the extremities of the title.