Pendragon before the war - The travelers #2

"Every territory of Halla has a Traveler. Each one lived for years--some even for decades-- before learning of their true destiny. What was life like for Bobby Pendragon's fellow Travelers before they joined him in the fight to save every time and place that has ever existed? What led to their becoming the guardians of Halla? The answers are here!"--p.[4] of cover.