Title: Bones in the Badlands (Time Spies #2)
Description: When Alex, Mattie, and Sophie touch the spyglass, they find themselves hurtled back to 1898, where real-life dinosaur cowboy Walter Granger has a job for them. Granger has discovered a secret cache of dinosaur skeletons. But someone's trying to steal the bones for himself. Can the Time Spies catch the thief before the spyglass sends them home?
Subjects: Magic, Brothers and sisters, Cowboys, History, Time travel, Fiction
Places: Wyoming
People: Walter Granger (1872-1941)
Time periods: 19th century