Wicked Plants: The Weed That Killed Lincoln's Mother and Other Botanical Atrocities

In the Herbarium: The Hidden World of Collecting and Preserving Plants

The Great Penguin Rescue: 40,000 Penguins, a Devastating Oil Spill, and the Inspiring Story of the World's Largest Animal Rescue

Wicked Bugs: The Louse That Conquered Napoleon's Army and Other Diabolical Insects

Tree Story: The History of the World Written in Rings

Slippery Beast: A True Crime Natural History, with Eels

Forget Me Not: A Memoir

Florapedia: A Brief Compendium of Floral Lore

Tolstoy and the Purple Chair: My Year of Magical Reading

Mastering Civility: A Manifesto for the Workplace

Montana Heat: Protected by Love: A Novella

Hiding in the Bathroom: An Introvert's Roadmap to Getting Out There (When You'd Rather Stay Home)

Stone Cold Cowboy: A Montana Men Novel

Shoot the Woman First