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Releases by Kate O'Hearn

Cover for Kate O'Hearn · Sentinels: Keepers of the Forest - Sentinels (Paperback Book) (2026)

Sentinels: Keepers of the Forest... (2026)

Release November 10, 2026

Cover for Kate O'Hearn · Secrets of Atlantis - Atlantis (Paperback Book) [Reprint edition] (2024)

Reprint edition

Secrets of Atlantis - Atlantis (2024)

Cover for Kate O'Hearn · The Caterpillar and the Blackbird (Paperback Book) (2024)

The Caterpillar and the Blackbird (2024)

Cover for Kate O'Hearn · Return to Atlantis - Atlantis (Paperback Book) [Reprint edition] (2023)

Reprint edition

Return to Atlantis - Atlantis (2023)

Cover for Kate O'Hearn · Escape from Atlantis - Atlantis (Paperback Book) [Reprint edition] (2022)

Reprint edition

Escape from Atlantis - Atlantis (2022)

Cover for Kate O'Hearn · Titans Complete Collection (Boxed Set): Titans; The Missing; The Fallen Queen - Titans (Paperback Book) [Boxed Set edition] (2022)

Boxed Set edition

Titans Complete Collection (Boxe... (2022)

Cover for Kate O'Hearn · The Fallen Queen - Titans (Paperback Book) [Reprint edition] (2022)

Reprint edition

The Fallen Queen - Titans (2022)

Cover for Kate O'Hearn · The Missing - Titans (Paperback Book) [Reprint edition] (2021)

Reprint edition

The Missing - Titans (2021)

Cover for Kate O'Hearn · Titans - Titans (Paperback Book) [Reprint edition] (2020)

Reprint edition

Titans - Titans (2020)

Cover for Kate O'Hearn · Valkyrie Complete Collection (Paperback Book) (2019)

Valkyrie Complete Collection (2019)

Cover for Kate O'Hearn · The Runaway (Paperback Book) (2018)

The Runaway (2018)

Cover for Kate O'Hearn · The End of Olympus, 6 (Paperback Book) (2017)

The End of Olympus, 6 (2017)

Cover for Kate O'Hearn · Pegasus and the End of Olympus: Book 6 - Pegasus (Paperback Book) (2017)

Pegasus and the End of Olympus: ... (2017)

Cover for Kate O'Hearn · Valkyrie: War of the Realms: Book 3 - Valkyrie (Paperback Book) (2016)

Valkyrie: War of the Realms: Boo... (2016)

Cover for Kate O'Hearn · Pegasus and the Rise of the Titans: Book 5 - Pegasus (Paperback Book) (2015)

Pegasus and the Rise of the Tita... (2015)

Cover for Kate O'Hearn · Valkyrie: The Runaway: Book 2 - Valkyrie (Paperback Book) (2014)

Valkyrie: The Runaway: Book 2 - ... (2014)

Cover for Kate O'Hearn · Valkyrie: Book 1 - Valkyrie (Paperback Book) (2013)

Valkyrie: Book 1 - Valkyrie (2013)

Cover for Kate O'Hearn · Pegasus and the Origins of Olympus: Book 4 - Pegasus (Paperback Book) (2012)

Pegasus and the Origins of Olymp... (2012)

Cover for Kate O'Hearn · Pegasus and the New Olympians: Book 3 - Pegasus (Paperback Book) (2012)

Pegasus and the New Olympians: B... (2012)

Cover for Kate O'Hearn · Pegasus and the Fight for Olympus: Book 2 - Pegasus (Paperback Book) (2011)

Pegasus and the Fight for Olympu... (2011)

Cover for Kate O'Hearn · Pegasus and the Flame: Book 1 - Pegasus (Paperback Book) (2011)

Pegasus and the Flame: Book 1 - ... (2011)