A Guardian "Nonfiction to Look Forward To in 2025" Recommendation . A Washington Post "Book to Watch For" in 2025 . A Financial Times "What to Read in 2025" Recommendation . A Goodreads Most Anticipated Book of 2025

From the best-selling author of Underland and "the great nature writer...of this generation" (Wall Street Journal), a revelatory book that transforms how we imagine rivers-and life itself.