Brave the Wild River

The riveting tale of two pioneering botanists and their historic boat trip down the Colorado River and through the Grand Canyon.

In the summer of 1938, botanists Elzada Clover and Lois Jotter set off to run the Colorado River, accompanied by an ambitious and entrepreneurial expedition leader, a zoologist, and two amateur boatmen. With its churning waters and treacherous boulders, the Colorado was famed as the most dangerous river in the world. Journalists and veteran river runners boldly proclaimed that the motley crew would never make it out alive. But for Clover and Jotter, the expedition held a tantalizing appeal: no one had yet surveyed the plant life of the Grand Canyon, and they were determined to be the first.

Through the vibrant letters and diaries of the two women, science journalist Melissa L. Sevigny traces their daring forty-three-day journey down the river, during which they meticulously cataloged the thorny plants that thrived in the…