Obsidian Blade by Pete Hautman

Obsidian Blade (Klaatu Diskos, 1) by Pete Hautman
Candlewick Press
308pg.

After thirteen-year-old Tucker Feye's parents disappear, he suspects that the strange disks of shimmering air that he keeps seeing are somehow involved, and when he steps inside of one he is whisked on a time-twisting journey trailed by a shadowy sect of priests and haunted by ghostlike figures.

No Passengers Beyond This Point by Gennifer Choldenko

No Passengers Beyond This Point by Gennifer Choldenko

Dial Books for Young Readers

2011

244p.

With their house in foreclosure, sisters India and Mouse and brother Finn are sent to stay with an uncle in Colorado until their mother can join them, but when the plane lands, the children are welcomed by cheering crowds to a strange place where each of them has a perfect house and a clock that is ticking down the time.