by William Sleator
Release date: 1999
Type: speculative fiction
Genres: science fiction, young adult

With a devious older sister who wishes he hadn't been born, eleven-year-old Chris needs some heavenly intervention. But when that help arrives in the form of a boltzmon – the all-knowing, shape-shifting remnant of a black hole – Chris is in even bigger trouble.

In this clever sci-fi twist on the genie tales of folklore, a young boy suddenly has access to more power than he can handle. The highly unstable boltzmon flips Chris at random to different worlds, including one of his own imagining. It is in Arteria, a country he has mapped out on his computer, that Chris has the chance to confront his sister, Lulu, and end their rivalry before it has deadly consequences.

A villainous older sister, a quantum physics genie with a weird sense of humor, and a sharp young hero – this Bermuda triangle of characters is at the center of a funny, frightening novel in the spirit of William Sleator's masterwork, Interstellar Pig.

updated 2017-01-16

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