Mariette is the author of several books, including Birdscaping in the Midwest, and Eves Rib.  She is perhaps best known locally as the highly regarded former Director of the Wehr Nature Center. Mariette is also a board member of the Walworth County Land Conservancy, a board member of the Wisconsin Society of Ornithology.  She is also active in many other groups  including Wild Ones: Native Plants, Natural Landscapes. and the Walworth County Park Committee.