Books like Hell Hath No Fury by David Weber

The story opens with a chance encounter between two men from entirely different universes on a pristine, cloned Earth. One comes from the mystical realm of Arcana, where magic rules, while the other hails from Sharona, a steel‑and‑steam age world endowed with psionic talents. The meeting sets off a conflict that neither side anticipated; each believes the other ended the first hostile act. The initial incident quickly spirals as casualties mount, grievances deepen, and forces from both realms prepare to march toward the battlefield. Neither side wishes war, but the fury of their populations, xenophobic fears, and demands for vengeance push the conflict toward the brink. Local commanders and diplomats now hold the fragile hope of averting a multiversal catastrophe, while power‑hungry leaders seek to exploit the chaos for their own ends. The clash is poised to erupt into white‑hot rage, blending dragons, spells, trains, crossbows, rifles, and artillery across endless copies of Earth.

First publish date: 2007