Twelve Words for Moss is a fascinating, subtle and risk-taking book; its remarkable opening pages in particular dis-orient and re-orient the reader, readying us for the forms of attention-giving to the overlooked and undersung world of mosses which the rest of the book beautifully practices. Poetry, descriptive-evocative prose, memory, memoir, natural history and more all drift and mingle in strikingly new ways in Burnett's book, down at the "boundary layer" where this ancient, modest life flourishes so generatively