The Portal Walker Series

A glitch in time. A lost artifact. And a sister who may have already changed history.

In this gripping time-travel adventure, teen coder Jake is thrust into a dangerous prehistoric world after a mysterious time rift tears him away from his sister, Emma. Disoriented and battling intense heat, strange wildlife, and rising panic, Jake struggles to...

What if the only way to fix the future… is to survive the past?

When fifteen-year-old Jake Parker activates his experimental coding rig, he opens a portal that hurls him and his fearless younger sister Emma into ancient Greece—a world of warring Spartans, cunning Athenians, and gods who may be more than myth.

But blending in with history isn’t...

Time doesn’t just test you—it remembers what you leave behind.

Jake Parker and his younger sister Emma have made a pact: if they can use the time portals to help others, they must. Their next leap lands them in Viking Age Scandinavia, a world of brutal winters, bold warriors, and gods etched in runestones.

Captured by a suspicious warlord who...