Almighty Ra looks down not from one sun but from all!
Someone has taken an ancient Earth religion and re-branded it for the 26th century. Multi-stellar, multispecies, the Cult of Ra has an answer for everything....
Except a wizard who's sick of them preying on innocent people.
Sunshine of Your Cult (Book 5)
Still getting used to life without magic, Esper accepts a mission that seems easy enough on the surface. An actor is searching for a kidnapped co-worker. Just two little problems with that. The actor seems intent on tagging along, offering questionable "help" along the way. And his co-star is in the clutches of a deadly cult.
Walk Like a Magician (Book 6)
Now on a crusade to pull the Cult of Ra out of the galaxy by the roots, Esper and company find a arms manufacturer secretly funding the cult. But when taking on such a formidable foe without magic proves too much, Esper takes drastic measures to even the odds.
Hotel Caledonia (Book 7)
This could be the break Esper has been waiting for. A mysterious whistle-blower looks to take down the Cult of Ra from the inside. He's willing to tell Esper everything. Her rendezvous aboard a luxury cruise ship goes horribly wrong when she meets her contact - at the scene of his murder.
Eye of the Pharaoh (Book 8)
The beating heart of the Cult of Ra is its founder, the self-styled pharaoh Ramesses XIII. And Esper knows where to find him. The cult flagship will be in orbit of a planet whose populace has converted to their religion. So, all Esper and her friends have to do is get to a planet full of zealots, sneak about their most powerful warship, and depose the pharaoh amid his most trusted guards and wizards.
And they know Esper is coming.