Ongoing list of books from Bettie's Pages Challenge Your Shelf lists
https://www.bettiespages.com
Please visit their page to purchase the books and record your reading progress if you want to be eligible for the gifts they offer. 
I am no affiliated with Bettie's Pages in any way, I just prefer my reading challenges to be untimed and therefore possible for me to complete

2022 Grow As You Go 
2023 Reagan Ruined Everything
2024 Taylor's Version