Rick Riordan is the #1 New York Times bestselling author of the Percy Jackson and the Olympians series, the Kane Chronicles, and the Heroes of Olympus. He is also the author of the multi-award-winning Tres Navarre mystery series for adults.

For fifteen years, Rick taught English and history at public and private middle schools in the San Francisco Bay Area and in Texas. In 2002, Saint Mary's Hall honored him with the school's first Master Teacher Award.

While teaching full time, Riordan began writing mystery novels for grownups. His Tres Navarre series went on to win the top three national awards in the mystery genre - the Edgar, the Anthony and the Shamus. Riordan turned to children's fiction when he started The Lightning Thief as a bedtime story for his oldest son.

Today over 35 million copies of his Percy Jackson, Kane Chronicles, and Heroes of Olympus books are in print in the United States, and rights have been sold into more than 35 countries. Rick is also the author of The 39 Clues: The Maze of Bones, another #1 New York Times bestseller.

Rick Riordan now writes full-time. He lives in Boston with his wife and two sons.

Nate Powell is a National Book Award-winning cartoonist who began self-publishing comics as an Arkansas teenager in 1992.

His work includes the new graphic novel FALL THROUGH and a comics adaptation of James Loewen’s LIES MY TEACHER TOLD ME, as well as SAVE IT FOR LATER, civil rights icon John Lewis' MARCH trilogy and its follow-up RUN, viral comics essay "About Face", and graphic novels COME AGAIN, TWO DEAD, ANY EMPIRE, and SWALLOW ME WHOLE. He has published nonfiction comics and writing for The Washington Post, The Nib, Popula, Booklist, CNN, and The Weather Channel.

Powell’s work has also received a Robert F. Kennedy Book Award, multiple Eisner and Ignatz Awards, ALA and YALSA distinctions, the Comic-Con International Inkpot Award, and the CXC Transformative Work Award. He has discussed his work at the United Nations, as well as on MSNBC’s The Rachel Maddow Show, CNN, NPR, PBS, and Free Speech TV.

He lives in Bloomington, Indiana.

Robert Venditti is a New York Times bestselling author of more than three hundred comic books and graphic novels. Some of his works include the monthly comic book series Justice League, Superman ’78, Hawkman, and Green Lantern for DC Comics, X-O Manowar, Armor Hunters, and Wrath of the Eternal Warrior for Valiant Entertainment, and the graphic novel Six Days, inspired by the story of his uncle’s participation in D-Day. He has also adapted Rick Riordan’s global bestselling Percy Jackson and the Olympians and The Heroes of Olympus novels, as well as Tristan Strong Punches a Hole in the Sky by Kwame Mbalia and Blue Bloods by Melissa de la Cruz. His graphic novel The Surrogates was adapted into a feature film by Touchstone Pictures, and his work on The Flash was the basis for season three of the CW television series.

Venditti lives in Atlanta, where he both writes and serves as a storytelling consultant for some of the most recognizable entertainment brands in the world.

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