Books like Hell's Gate by David Weber

The Union of Arcana, an expansive, technologically advanced coalition, has systematically claimed uninhabited planets through a network of portal links connecting parallel universes. Their quest for wealth and influence continues until an unexpected portal opens, revealing Sharona—a previously unknown human society inhabiting a distant world. The discovery promises to reshape the Union’s ambitions, sparking a confrontation that spans planets and dimensions as both factions vie for control and survival. Set against a backdrop of space warfare and exploration, the story places the reader at the center of political intrigue and the clash of two human cultures linked by quantum gateways. In their relentless expansion, the Union’s ambition threatens to collide with an ally turned rival, while Sharona’s survival depends on their choices—making this narrative a high-stakes saga of power, opportunity, and the unknown risks of interdimensional conquest.

First publish date: 2006