“They were known as the Queens of Time,” Gramps said. “There were three of them, one for each of the keys.”

Ryne looked forward and up to where his grandfather pointed. On the wall was a small glass case and mounted inside were three ornate keys. They looked similar, though the designs were slightly different. Each key was made of metal with a polished oval stone set in the middle. One stone was red, like coral or jasper. Another was green like jade. And the third was black, like onyx or obsidian.