The Naturalist Society Books in Order

The Naturalist Society books imagine an alternate late nineteenth century where scientific discovery and magic are not opposing forces. They overlap. In Vaughn's version of this world, taxonomy carries power. The right Latin names, spoken with knowledge and intent, can draw on the qualities of plants and animals. That gives the series a fresh hook straight away, because classification is not just academic here. It is a source of real, practical magic.

But the books are not only about the magic system.

The first novel centers on Beth Stanley, a naturalist whose work has been hidden behind her husband's name, along with Brandon West and Anton Torrance, men who have their own reasons for living a little sideways to respectable society. The result is part historical fantasy, part scientific adventure, and part story about who gets to claim knowledge in public. New York, lecture rooms, private clubs, expeditions, and specimen cases all matter. So do the social rules pressing on the characters from every side.

That social pressure gives the series a lot of its emotional weight. Beth is not just trying to master arcane science. She is trying to be recognized as a mind in a world built to overlook her. Bran and Anton are likewise navigating a society eager to sort people into categories that feel much narrower than the natural world they study. Vaughn uses all of that well. The fantasy elements add wonder, but the human conflict comes from credit, freedom, desire, and the cost of being misnamed.

Then the world opens wider.

The Glass Slide World moves ahead to Ava Stanley and shifts some of the energy toward travel and adventure. A sea voyage, research into disease, pirates, and international intrigue push the series into a broader map without losing the link between knowledge and power. It still feels like the same world, just at a different stage of life and discovery.

The tone is gentler than Vaughn's urban fantasy, but not sleepy. There is romance here, and danger, and plenty of curiosity. What stands out most is the pleasure the books take in observation. Birds, specimens, field notes, naming systems, small details of the natural world, all of it matters. The magic grows naturally out of that attention.

If you want historical fantasy that is interested in science, social rules, and people building lives just outside what their era permits, this series is a strong fit. It is thoughtful and adventurous at the same time, which is not an easy balance to hit.