Vox is a children's fantasy novel by Paul Stewart and Chris Riddell, first published in 2003. It is the sixth volume of The Edge Chronicles and the second of the Rook Saga trilogy; within the stories' own chronology it is the eighth novel, following the Quint Saga and Twig Saga trilogies.

Chris Riddell is a South African-born English illustrator and occasional writer of children's books and a political cartoonist for the Observer. He has won three Kate Greenaway Medals - the British librarians' annual award for the best-illustrated children's book, and two of his works were commended runners-up, a distinction dropped after 2002.