| GMD | Text |
| Classification | F COL |
| Publisher | London, Puffin Books, c2005. |
| Subject | Brothers -- Juvenile fiction.Librarians -- Juvenile fiction.Books and Reading -- Juvenile fiction. |
| Series | Will and Marty. |
| Description | 95 p. : ill. ; 22 cm. |
| ISBN | 9780141317083 |