Depending on what level of reading you are in, there are lots of great books out there for middle school. Here is a list.
Wednesday Wars by Gary D
Summerlost by Ally Condie
Goodbye Stranger by Rebecca Stead
The Series of Unfortunate Events by Daniel Handler or Lemony Snicket
Gone Crazy in Alabama by Rita Williams-Garcia
Schooled by Gordon Korman
The 39 Clues Series
First Light by Rebecca Stead
Fish in a Tree by Lynda Mulally Hunt
Harry Potter by J.K. Rowling
Lord of the Rings by JRR Tolkien
There are a lot more out there, and you can find them on the internet. If it says I'm copypasting, its because I'm having a hard time spelling the author names and the book names are hard to remember. I hope this helps!
Both of them are two sentences liked by a contrasting conector. The first option is punctuated correctly because it presents a comma separating the sentences, unlike the second option. The first option is also ended with a full stop whereas the second one is unfinished.
Arthur was crowned after he pulled a sword from a stone that God said could only be pulled by the rightful king. This reflected the highly Christian values society held at this time.
