from your link:
Now a leading figure in the Indigenous food movement, he shares in Turtle Island the unique and diverse Native foodways of North America through both traditional and modern recipes made with ingredients that have nourished Indigenous peoples physically, spiritually, and culturally for generations.
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Exemplifying how Native foodways can teach us all to connect with the natural world around us, Turtle Island features rich narrative histories and spotlights the communities producing, gathering, and cooking these foods, including remarkable stories of ingenuity and adaptation that capture the resilience of Indigenous communities.
It does look rather interesting. I imagine it could help in developing recipes for less usual forest garden and foraged ingredients.