The concepts of health and disease are fundamental to medical research, healthcare, and public he...

1429: A city under siege. A future in the balance.

1429: A city under siege. A future in the balance.

One jump to save all timeLife is progressing normally for sixteen-year-old Dan Renfrew when he ac...

Every second counts in the fight to save all time.Dan Renfrew hates that he's a time jumper-seven...

One jump to save all time

In an attempt to block Victor Stahl's plot to take over the world, Dan and Sam jump to first-cent...

To stop a band of rogue time jumpers from taking over the world, teens Dan and Sam jump back in t...

To stop a band of rogue time jumpers from taking over the world, teens Dan and Sam jump back in t...

'A seventeen-year-old time jumper Dan Renfrew and his partner Sam jump into Greece in the year 48...

'A seventeen-year-old time jumper Dan Renfrew and his partner Sam jump into Greece in the year 48...