| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| ¿Qué es el ciclo de vida? | Paperback | 978-0-7787-8800-3 | 2005 | Bobbie Kalman |
| ¿Qué son los anfibios? | Library Binding | 978-0-7787-8761-7 | 2005 | " |
| ¿Qué son los anfibios? | Paperback | 978-0-7787-8807-2 | 2005 | " |
| What are Food Chains and Webs? | " | 978-0-86505-888-0 | 1998 | " |
| What is a Life Cycle? | " | 978-0-86505-886-6 | 1998 | " |
| What is an Amphibian? | " | 978-0-86505-952-8 | 1999 | " |
| What is a rodent? | " | 978-0-86505-951-1 | 1999 | " |