| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ecology of Plant-Derived Smoke: Its Use in Seed Germination | 978-0-19-975593-6 (0-19-975593-0) | 2014 | Marcello Pennacchio · Kayri Havens-Young |
| Uses and Abuses of Plant-Derived Smoke: Its Ethnobotany as Hallucinogen, Perfume, Incense, and Medicine | 978-0-19-537001-0 (0-19-537001-5) | 2010 | Marcello Pennacchio · Kayri Havens |