Boltzmon!
FictionBrothers and sistersSpace and timeChildren's fictionAdventure and adventurers, fiction
A boltzmon, remnant of a black hole, materializes in eleven-year-old Chris's bedroom and transports him to a parallel world, where he encounters the bitter woman his overbearing older sister will become, after his death, if he cannot convince her to change.
Writing a summary for young readers…
For young readers
Book data: Open Library