Author:
Gier, Kerstin.
Imprint:New York : Square Fish, 2012, c2011.
Description:324 p. ; 21 cm.
Note:Originally published: New York : Henry Holt, 2011.
Note:Gwyneth discovers that she, rather than her well-prepared cousin, carries a time-travel gene, and soon she is journeying with Gideon, who shares the gift, through historical London trying to discover whom they can trust.