m r · Mann Reva · Mannyrubio, Manny Rubio · Mona Ruef
| title | ISBN-13 | year of publication |
|---|---|---|
| Rattlesnake - Portrait of a Predator | 978-1-56098-808-3 | 1998 |
| Rattlesnakes of the United States and Canada | 978-0-9788979-4-9 | 2010 |
| Scorpions | 978-0-7641-3981-9 | 2008 |
| Scorpions | 978-0-7641-1224-9 | 2000 |
Barrons Educational Series · ECO/Serpent's Tale NHBD · Smithsonian