Edward Abbey

Black Sun is a 1971 novel by Edward Abbey. The term "black sun" was used often in Abbey's work. He used it first in his second book, Fire on the Mountain to describe a sketch Billy makes after they discover someone has shot Billy's favorite horse, Rascal. He also uses it twice in his non-fiction book, The Journey Home …

Down the River is a book by Edward Abbey, published in 1982. It is a loose collection of autobiographical and philosophical essays about the wilderness, written between 1978 and 1982.