11/22/63 by Stephen King

 https://www.goodreads.com/book/show/10644930-11-22-63

Some time travel stories feature a lot of it, but sometimes it's just a small component of the overall storyline.

https://en.wikipedia.org/wiki/11/22/63#Background

https://en.wikipedia.org/wiki/11.22.63#Premise

https://www.tor.com/2017/09/06/the-great-stephen-king-reread-112263

https://stephenking.com/works/novel/11-22-63.html

https://www.barnesandnoble.com/blog/sci-fi-fantasy/7-stories-that-prove-time-travel-is-best-when-its-complicated

https://thedigitallabyrinth.blogspot.com/search?q=time+travel 

https://thedigitallabyrinth.blogspot.com/search?q=Stephen+King