Linda Weintraub is author of "Art on the Edge and Over: Searching for Art s Meaning in Contemporary Society"; "In the Making: Creative Options for Contemporary Art" and "Avant-Guardians: Textlets in Art and Ecology". The first book deciphered vanguard art for popular audiences; the second examined the unique challenges of contemporary art-making; the third introduced the material, thematic, and conceptual innovations being introduced by eco artists.