Dorrie and her brother Marcus accidently open a portal to Petrarch's Library, where they discover a secret society of warrior librarians who travel in time, protecting the world's greatest thinkers from torture and death for sharing knowledge and ideas.
Censorship -- Fiction.
Censorship -- Juvenile fiction.
JUVENILE FICTION / General
Librarians -- Fiction.
Librarians -- Juvenile fiction.
Secret societies -- Fiction.
Secret societies -- Juvenile fiction.
Space and time -- Fiction.
Space and time -- Juvenile fiction.