Botkin, Daniel B. creator Keller Edward A. New Delhi Wiley 2012, 2020 8th ed. xxiv, 519p. Paperback by Daniel B. Botkin and Edward A. Keller Includes Appendix, Glossary, Notes, and Index at the end English Environmental sciences 363.7 B65E 9788126534142 20251217145656.0 145497