Personally, I believe “Young Adult” to be an arbitrary title that means the book "Can be enjoyed by anyone/Has a main character who’s not quite an adult/Isn’t really boring.
genre young_adult Character
[A young adult novel] ends not with happily ever after, but at a new beginning, with the sense of a lot of life yet to be lived.
I’m writing my next book under a pseudonym. It will be Mark Twain’s best young adult romance.
humor writing Funny
For young adults,the growth from silly to serious can be very fast, indeed.
At this stage I am not involved with young adults as closely as many other writers. My children are grown up and my grandchildren are still quite young.
Children Closely Grandchildren Grown I
Studies indicate that most of young adults struggle to grasp even the most basic financial principles that will allow them to manage money and prepare for their future.
Basic Even Financial Future Grasp