The Shadow Lamp

The search for the map of blue symbols began in a rainy alley in London but has since expanded through space and time and includes more seekers.
for ,
The Spirit Well by Stephen R. Lawhead

The Spirit Well

Kit Livingstone is mastering the ability to travel through the Omniverse using ley lines and has forged a link to the fabled powerful Spirit Well.
for

The Bone House

One piece of the Skin Map has been found. Now the race to unravel the future of the future turns deadly.
for
The Skin Map by Stephen R. Lawhead
Reviewed

The Skin Map

It is the ultimate quest for the ultimate treasure. Chasing a map tattooed on human skin. Across an omniverse of intersecting realities. To unravel the future of the future.
“Stephen R. Lawhead’s The Skin Map (2013) intersperses time travel and world-hopping sequences with quiet character-building moments that give this series opener a slow-burn thrill.”
for ,