Andrew Varga

When another glitch in time threatens the fabric of history, eighteen-year-old Dan Renfrew and his partner Sam Cahill jump into the past again. They land in medieval France, just before Joan of Arc’s miraculous lifting of the Siege of Orléans. But this is a world dominated by religious intolerance and fear, where one wrong step could lead to torture or death at the hands of Catholic priests. An...

With Victor Stahl’s plot to rule the world on an unstoppable path in the present, seventeen-year-old time jumper Dan Renfrew and his partner Sam realize that their only hope of putting an end to Victor’s scheme is to jump into the past again. They arrive in Greece in the year 480 BCE just before the legendary Battle of Thermopylae, where a heavily outnumbered force of Spartan warriors and thei...

A new high school brings new headaches for seventeen-year-old Dan Renfrew. There’s homework, dealing with bullies, and trying to figure out the challenging world of dating. Unfortunately for Dan, he’s also a time jumper, so these are the least of his worries. Victor Stahl and his band of rogue time jumpers are still plotting to rule the world—and Dan’s hunt for allies to help him stop thei...

Sixteen-year-old Dan Renfrew comes from a long line of time jumpers—secret heroes who travel to the past and resolve glitches in the time stream that threaten to alter history. There is just one problem; Dan has never been told any of this. So when Dan accidentally transports himself to England in the year 1066, he becomes trapped in the past. His only hope of returning home is to set history ba...

Dan Renfrew hates that he’s a time jumper—seventeen year olds should not be stuck with the responsibility of saving history. But with no one else stepping up to stop Victor Stahl’s plot to take over the world, Dan and his time-jumping partner Sam have no choice but to jump back into history again. They land on the Celtic island of Anglesey in the year 60, hoping to find answers on how to sto...