| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1989 | 978-0-9622768-0-4 | Clare Hoffman · Ingrid Asmus | Caring for Llamas: A Health and Management Guide |
| 1996 | 978-0-9622768-2-8 | Clare Hoffman · Ingrid Asmus | Caring for Llamas and Alpacas: A Health & Management Guide |