Affiliate Disclosure: Links on this page may earn us a commission at no extra cost to you. Read our affiliate policy
Kate O’Hearn Books in Order
Kate O'Hearn is a Canadian children's fantasy writer, best known for the Pegasus, Titans and Valkyrie series. O'Hearn published her first book, Shadow of the Dragon: Kira in 2008, which led to a series of books.
Bibliography verified: March 2026
Quick Answer
What are all of Kate O’Hearn's book series? Kate O’Hearn has written 6 book series. The most notable is the Escape From Atlantis series.
Complete series list with all books in reading order below.
Book Series by Kate O’Hearn
- #1
Escape from Atlantis(2021) - #2
Return to Atlantis(2023)
- #1
Pegasus and the Flame / The Flame of Olympus(2011) - #2
The Fight for Olympus / Olympus at War(2011) - #3
The New Olympians / Pegasus and the New Olympians(2012) - #4
The Origins of Olympus(2012) - #5
Rise of the Titans(2015) - #6
The End of Olympus(2016)
- #1
Kira(2008) - #2
Elspeth(2009)
- #1
Herm's Secret(2010)
- #1
Titans(2019) - #2
The Missing(2020) - #3
The Fallen Queen(2021)
- #1
Valkyrie(2013) - #2
The Runaway(2014) - #3
War of the Realms(2016)
About Kate O’Hearn
Kate O'Hearn is a Canadian children's fantasy writer, best known for the Pegasus, Titans and Valkyrie series. O'Hearn published her first book, Shadow of the Dragon: Kira in 2008, which led to a series of books.
Affiliate Disclosure
As an Amazon Associate, Reading Order Books earns from qualifying purchases. When you buy through links on our site, we may earn an affiliate commission at no additional cost to you. This helps us maintain the site and continue providing reading order guides. Read our full disclosure