The Klaatu Diskos Books in Order

Raised to be sacrificed through a mysterious disk above the Cydonian Pyramid, Lah Lia escapes when Tucker Feye unexpectedly appears. Their journeys through time become intertwined, with alternating perspectives revealing the moments that connect their dangerous paths.

Thirteen-year-old Tucker Feye's father disappears briefly and returns changed, accompanied by a strange girl. When both parents later vanish, Tucker enters a shimmering disk that carries him through different eras, seeking answers that might restore his fractured family.

Tucker, Lia and Kosh move through different eras while searching for one another and the origins of the diskos. Pursued by Timesweeps and confronted by a dangerous cult, they must navigate connections between present violence and the distant future.