Gregor and the Marks of Secret

Gregor and the Marks of Secret
The cover of the first edition.
AuthorSuzanne Collins
LanguageEnglish
SeriesThe Underland Chronicles
GenreFantasy
PublisherScholastic
Publication date
1 May 2006
Publication placeUnited States
Media typePrint (paperback)
Pages352 pp
ISBN0-439-79145-6
OCLC62172584
LC ClassPZ7.C6837 Gpk 2006
Preceded byGregor and the Curse of the Warmbloods 
Followed byGregor and the Code of Claw 

Gregor and the Marks of Secret is an epic fantasy children's novel by Suzanne Collins. It is the fourth book of The Underland Chronicles and was first published by Scholastic in 2006. It picks up soon after the end of Gregor and the Curse of the Warmbloods. The protagonist, Gregor, joins Luxa on a quest to discover what is happening to the mysteriously disappearing population of mice.