Ring of Fire (Bobby Akart) Books in Order
Part ofBobby Akart Books in OrderExplore the Ring of Fire books by Bobby Akart in order, with quick summaries, series background, and simple help on where to start.
Last updated: July 2, 2026
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Ring of Fire (Bobby Akart) books in publication order
4 books
Axial
by Bobby Akart
2025
Volcanoes across the Pacific Rim ignite as the series heads toward extinction-level stakes. The Mercer family must act with almost no room left for error.
Cascadia
by Bobby Akart
2025
A Cascadia quake and tsunami are only the opening blow in a chain of Pacific disasters. Duke Mercer and the scientists around him realize the real story may be the awakening of Axial Seamount.
Ring of Fire Hawaii
by Bobby Akart
2025
With the team barely recovered from St. Helens, deep Pacific unrest points toward Hawaii. Duke Mercer and the volcanology team race to understand what is being hidden before paradise becomes the next front.
St. Helens
by Bobby Akart
2025
Mount St. Helens erupts without warning, burying highways and choking cities under ash. It is a bigger, meaner second act that makes clear the chain reaction has barely started.
Ring of Fire (Bobby Akart) books in chronological order
Series background & context
Ring of Fire is one of Akart's newer disaster series, and it wastes very little time getting ugly. The opening event is a massive Cascadia earthquake and tsunami in the Pacific Northwest, but the books make clear almost immediately that this is not one isolated catastrophe. It is a chain reaction across the Pacific Rim.
That expanding scale is the series' main appeal. The danger jumps from the Cascadia Subduction Zone to Axial Seamount, then to Mount St. Helens, then toward Hawaii and beyond. At the center are Duke Mercer and a team of scientists and responders who are trying to understand what is waking up, and whether there is any time left to stay ahead of it.
There usually is not much.
Across Cascadia, St. Helens, Hawaii, and Axial, the series keeps raising the temperature. Ash, tsunamis, shifting ground, hidden information, and extinction-level stakes all pile up, but Akart still keeps a family-and-team core inside the spectacle.
If you like volcanic disaster fiction with strong momentum, Ring of Fire is easy to recommend. It feels like Akart returning to one of his favorite strengths, big science, fast escalation, and people trying to make good decisions while the Earth keeps making worse ones.
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