Uncertain Sanctuary Series by Jenny Schwartz

A tornado of chaos is tearing through Reality and in its path is the newest House, a bleak and forbidding fortress built of magic and grief by the most unlikely of sorcerers, a human.A reckless act of compassion costs Dr. Kira Aist her family and her future on Earth. To escape her enemies, she calls on her heritage as a descendant of Baba Yaga and walks between worlds.As Kira roams the paths of Reality, strangers are drawn to her House... moreA tornado of chaos is tearing through Reality and in its path is the newest House, a bleak and forbidding fortress built of magic and grief by the most unlikely of sorcerers, a human.A reckless act of compassion costs Dr. Kira Aist her family and her future on Earth. To escape her enemies, she calls on her heritage as a descendant of Baba Yaga and walks between worlds.As Kira roams the paths of Reality, strangers are drawn to her House. Some seek refuge, some seek power, and one just wants kitty treats.With the fate of multiple worlds hanging in the balance, Kira must discover what it means to be a sorcerer and the keeper of a House.The House That Walked Between Worlds is a compelling and original fantasy novel of multiple worlds and beguiling mystery in the tradition of Ursula Le Guin and Diana Wynne Jones. less

The drumbeat of war pursues Kira as she sends the House along forgotten Reality paths searching for the grimoire that Carlene believes can stop the conflict. Or rather, the Spell of Amber within the grimoire that she hopes can preserve the Reality paths against the Emperor's siphoning of their power. Not everyone in the House agrees with Kira's choice, or trusts Carlene... moreThe drumbeat of war pursues Kira as she sends the House along forgotten Reality paths searching for the grimoire that Carlene believes can stop the conflict. Or rather, the Spell of Amber within the grimoire that she hopes can preserve the Reality paths against the Emperor's siphoning of their power. Not everyone in the House agrees with Kira's choice, or trusts Carlene. However, Evander is still hoarding his secrets, so why should Kira trust the cyborg elf over Carlene's well-reasoned arguments? less

The Reality Wars have begun and the House is at the center of them. Still reeling from betrayal, Kira has to protect the innocents who've sought sanctuary with her. The thrilling conclusion to the "Uncertain Sanctuary" series. Science fantasy at its startling, genre-bending best.