To celebrate the release of Rick Riordan’s new audiobook, The Heroes of Olympus: The Demigod Diariess — a collection of short stories featuring characters from the author’s Percy Jackson and Heroes of Olympus universes — Random House Audio and Listening Library have released two audio excerpts.

Check out the book’s introduction from Riordan:

And give a listen the beginning of the first story, “The Diary of Luke Castellan:”

The Heroes of Olympus: The Demigod Diaries is narrated by Jesse Bernstein, Joshua Swanson, Nick Chamian, and Aaron Groben.