|aSapphire blue|cKerstin Gier ; translated from the German by Anthea Bell.
|a1st Square Fish ed.
|aNew York :|bSquare Fish|c2013.
|a357 p.|c21 cm.
|aThe Ruby red trilogy|v2
|aSixteen-year-old Gwen, the newest and final member of the secret time-traveling Circle of Twelve, searches through history for the other time-travelers, aided by friend Lesley, James the ghost, Xemerius the gargoyle demon, and Gideon, the Diamond, whose fate seems bound with hers