Sam and Priya follow a warm stone lamp seventeen thousand years back into an Ice Age river valley, where a lost girl named Tavi needs to find her family before winter. Everyone knows Ice Age people lived in caves. Everyone is wrong.
Time Keys
Ages 10–12Time Keys is a series of illustrated adventures for readers aged ten to twelve about real people in real moments of history. Cousins Sam and Priya are pulled into the past by their grandfather's pocket watch to help the person who once owned a museum object, without changing what history did. Each book delivers one history topic through a story with real stakes, and ends by showing how we know what happened.