L.M. Montgomery’s writings are replete with enchanting yet subtle and fluid depictions of nature that convey her intense appreciation for the natural world. At a time of ecological crises, intensifying environmental anxiety, and burgeoning eco-critical perspectives, L.M. Montgomery and the Matter of Nature(s) repositions the Canadian author’s relationship to nature in terms of current environmental criticism across several disciplines, introducing a fresh approach to her life and work. Drawing on a wide range of Montgomery’s novels as well as her journals, this collection suggests that socio-ecological relationships encompass ideas of reciprocity, affiliation, autonomy, and the capacity for transformation in both the human and more-than-human worlds, and that these ideas are integral to Montgomery’s vision and her literary legacy. Framed by the twin themes of materiality and interrelationships, essays by scholars of literature, law, animal studies, anthropology, and ecology examine place, embodiment, and difference in Montgomery’s works and embrace the multiplicities embedded in the concept of nature. Through innovative critical approaches, L.M. Montgomery and the Matter of Nature(s) opens up conversations about humans’ interactions with nature and the material environment.