A.G. Sullivan is an award-winning author known for his visionary storytelling, ranging from family-friendly adventures to edge-of-your-seat thrillers. He is the creator of the celebrated Katzenstein Kids Trilogy, as well as the psychological horror novel Trypophobia and the time-travel thriller Invariant.
Sullivan's work has garnered significant critical acclaim, including a 2021 Firebird Book Award, a 2025 Global Book Award, and multiple 5-Star distinctions from Readers' Favorite.
Originally from the small town of Dennis Port on Cape Cod, Massachusetts, Sullivan discovered his love for the art of storytelling in his youth. He later studied at the Boston Architectural Center and the University of Phoenix, earning his degree in 1999. Today, he calls Arizona home, where he lives with his two children.
The Katzenstein Kids and the Eye of Horus - TOP 10 AMAZON CHARTS "BESTSELLER"
A.G. Sullivan -TOP 10 AMAZON CHARTS "BESTSELLING AUTHOR"
The Katzenstein Kids and the Eye of Horus - 5-STARS from READERS' FAVORITE.
Trypophobia - A Novel - 5-STARS from READERS' FAVORITE.
The Katzenstein Kids and the 12 Minotaurs - 5-STARS from READERS' FAVORITE.
INVARIANT - 5-STARS from READERS' FAVORITE.
A.G. Sullivan - 2021 FIREBIRD BOOK AWARD WINNING AUTHOR for The Katzenstein Kids and the Eye of Horus "Best Young Adult Fiction" and Trypophobia - A Novel "Winner for Horror/Thriller"
A.G. Sullivan - 2025 GLOBAL BOOK AWARD WINNING AUTHOR for INVARIANT a time travel mystery-thriller has been awarded the SILVER medal in the category of Science Fiction Time Travel
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