If you absolutely can’t afford the books right now, That’s what Annabeth would do. And if you’re a teacher, check out Rick Riordan’s official website—he often shares classroom resources and reading guides for free.

Yes, libraries have eBooks! Download the Libby or Hoopla app. Enter your library card number, and you can borrow the official eBook version of any Percy Jackson book. It looks great on a tablet or phone, and it’s 100% free and legal.

You’re not alone. That search term gets thousands of queries a month. But before you hit “download” on that shady-looking website, let’s talk about what you’ll actually find—and a few better ways to read Percy Jackson for cheap (or free). Let’s cut to the chase. Almost every website offering a free PDF of The Lightning Thief , Sea of Monsters , or The Titan’s Curse is doing so illegally.