Imaginative science-fiction. Requires concentration to keep up. The primary characters are sharply drawn although their extraordinary nature isn't obvious in all their interactions. The secondary characters can be one-toned.
Audio play with half-a-dozen voice actors. Sound effects signal when Abby and Zara use their powers of telepathy or time-space teleportation. Effects are sometimes instantaneous. ( )

I was not hugely impressed. The middle one, set in a doomed 1912 village, features a good guest turn from David Warner. ( )