Black hole bandits [Mr. Kazarian, Alien Librarian Volume: Book 2]by Foxe, Steve 

BTSB Prebound(Stone Arch, 2020)

BTSB #: 349562 Available

Dewey: 741.5/NAges: 8-11   
AR: 4.5 MG Lexile: 720 GN F&P: T

Genres:

Subjects: Extraterrestrial beings - Fiction Librarians - Fiction Supervillains - Fiction Black holes (Astronomy) - Fiction Graphic novels

Summary: Mr. Kazarian's evil cousin Kronkhold has a black hole generator, and it is up to the alien librarian and the four students who know his secret to stop Kronkhold before his device swallows Earth, and the rest of the solar system--and get back to Earth in time for TJ, Dani, Shea, and Walden to make their class presentation on Albert Einstein.

Care and feeding of a pet black hole by Cuevas, Michelle 

BTSB Prebound(Dial Books for Young Readers, 2017)

BTSB #: 252229 Available

Dewey: FAges: 8-12   
AR: 4.8 MG Lexile: 710

Genres: Adventure Fiction Family Life

Subjects: Black holes (Astronomy) - Fiction Pets - Fiction Adventure fiction Siblings - Fiction Grief - Fiction

Summary: Eleven-year-old Stella Rodriguez finds herself in possession of a strange new pet that swallows up everything in sight when a black hole decides to follow her home.

Llama destroys the world [Llama book Volume: 1]by Stutzman, Jonathan 

BTSB Prebound(Holt, 2019)

BTSB #: 862394 Available

Dewey: EAges: 4-8   
AR: 2.9 LG

Genres: Humorous Fiction Animals

Subjects: Llamas - Fiction Black holes (Astronomy) - Fiction Humorous fiction

Summary: Eating too much cake causes Llama to rip his dancing pants, opening a black hole and threatening the entire universe.