Summer is the perfect time to kick back with a good book (or five). Join a challenge like the National Book Foundation’s Summer Reading Adventure (yes, it’s for adults!) to dive into epic stories, connect with other bibliophiles, win prizes and maybe even discover your next favorite author.

Whether you’re into nonfiction, fantasy, true crime or graphic novels, this challenge is free and fun – so grab a book, earn some bragging rights and make reading the highlight of the season.

For more challenges you can tackle whenever you want, check out this list of the most popular ones as published on TheStoryGraph, a book tracking platform.