Author Information
Kate O'Hearn's Latest Book

Newest Release

  • Bibliography:
    18 Books (4 Series)
  • First Book:
    April 2008
  • Latest Book:
    November 2026
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Full Series List in Order

Pegasus

1 - The Flame of Olympus (May-2012)
2 - Olympus at War (May-2013)
3 - The New Olympians (Feb-2014)
4 - The Origins of Olympus (Dec-2014)
5 - Rise of the Titans (Dec-2015)
6 - The End of Olympus (Dec-2016)

Shadow of the Dragon

1 - Kira (Apr-2008)
2 - Elspeth (Mar-2010)

Titans

1 - Titans (Jul-2019)
2 - The Missing (Aug-2020)
3 - The Fallen Queen (Jul-2021)

Valkyrie

1 - Valkyrie (May-2013)
2 - The Runaway (Jan-2017)
3 - War of the Realms (Mar-2016)

Books in Order: 18 titles

The book list is sorted in publication date order - newest first. You can sort the list by clicking on the Sort button. To see a simple list or a cover view list, click on the icons below.



  • Discover a world of warring squirrel clans???and meet the chosen ones who will save them???in the start to a new action-packed illustrated middle-grade trilogy perfect for fans of WARRIORS and GUARDIANS OF GA'HOOLE. Rum is the runt of his litter and ...



  • From the author of the Pegasus series comes the third book in a spellbinding fantasy series for fans of Rick Riordan and Shannon Messenger, in which Riley must protect her family’s new life in Atlantis.Life in Atlantis has always been unpredict...



  • From the author of the Pegasus series comes the second book in a spellbinding fantasy series for fans of Rick Riordan and Shannon Messenger, in which Riley’s return home is short-lived and full of unforeseen danger.Riley thought that her adventure ...



  • From the author of the Pegasus series comes a spellbinding first book in a new fantasy series for fans of Rick Riordan and Shannon Messenger following two cousins whose summer vacation gets swept away by a storm that lands them on the lost island of ...



  • Astraea, Zephyr, Pegasus, and Tryn turn to an old enemy to save them from a desperate situation in this third book in a new series from bestselling Pegasus author Kate O’Hearn, who masterfully blends mystery and mythology together.Jake, Nesso, and ...



  • Follow Astraea, Zephyr, and their friends travel to a dangerous jungle world in this second book in a brand-new series from bestselling Pegasus author Kate O’Hearn, who masterfully blends mystery and mythology together. With the weakened Titan p...



  • A group of kids must stop invaders before they take over Titus -- and the rest of the universe -- in this first book in a brand-new series from bestselling Pegasus author Kate O’Hearn, who masterfully blends mystery and mythology together. Fifte...



  • Freya searches for a missing Valkyrie in this second book of an exciting new series that School Library Journal described as perfect for “those looking for Rick Riordan read-alikes.” Valkyrie: Norse Goddess. Reaper of Souls. Defender of the We...



  • Emily and Pegasus face their greatest challenge yet when they venture back to Earth to save a friend in this sixth and final book of an exciting series that puts a modern thrill into ancient mythology. After the events in Hawaii, Emily is contendi...






  • Freya and the Valkyries must stop a war before two worlds are destroyed in this third book of an exciting series that School Library Journal described as perfect for “those looking for Rick Riordan read-alikes.”In the world of Asgard, living amon...



  • In order to save Olympus, Emily and her winged horse, Pegasus, venture to Hawaii -- and a Hawaiian volcano -- in this fifth book of an exciting series that puts a modern thrill into ancient mythology. The ancient rivalry between the Olympians and ...



  • Emily and her winged horse, face an ancient challenge of Olympic proportions in this fourth book of the exciting Pegasus series. A deadly plague has struck Olympus. While the Olympians fade one by one, Emily’s heart breaks as she watches, partic...



  • Emily and her companions, including the winged horse, Pegasus, must confront a legion of Olympic enemies in this third book of an action-packed series. When Emily’s father and the goddess Diana return from a visit to Earth, they bring with them ...



  • Emily and her winged horse face a war of Olympic proportions in this second book of an adventurous trilogy. Emily, newly recognized as the Flame, is living in Jupiter’s palace on Mt. Olympus. Her friends, Joel, Paelen, and -- of course -- Pegasu...



  • From the bestselling author of the Pegasus books, Kate O’Hearn, comes an exciting new series that puts a fresh twist on Norse mythology. Valkyrie: Norse Goddess. Reaper of Souls. Defender of the Weak. Not someone you want to mess with… Frey...



  • When Pegasus crashes onto a Manhattan roof during a terrible storm, Emily’s life changes forever. Suddenly allied with a winged horse she’d always thought was mythical, Emily is thrust into the center of a fierce battle between the Roman gods and...



  • On the run for their repeated violations of the unjust First Law, Kira and Elspeth resolve to fight alongside the male defenders of their kingdom, a vow that is complicated by the oppressive Lord Dorcon and a feared prophecy about a girl and a twin-t...



  • Kira is 12, and strong willed. The daughter of a retired dragon knight, she fights against all the 'stupid laws' in the kingdom. Then Lord Dorcon arrives, in a whirl of destruction. Dane her older brother is captured and Kira is outlawed with her you...


Frequently Asked Questions (FAQ)

Kate O'Hearn has published 18 books.

The next book by Kate O'Hearn, Sentinels: Keepers of the Forest, will be published in November 2026.

The first book by Kate O'Hearn, Kira, was published in April 2008.

Yes. Kate O'Hearn has 4 series.