The UMSL alumnus delves deep into the region’s strange and wonderful locales and little-known histories in his latest book.

The UMSL alumnus delves deep into the region’s strange and wonderful locales and little-known histories in his latest book.
The UMSL alumnus delves deep into the region’s strange and wonderful locales and little-known histories in his latest book.
The UMSL alumnus delves deep into the region’s strange and wonderful locales and little-known histories in his latest book.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.