Two scientists must put aside their animosity towards each other in order to save the planet from an evil scientist's plot.

Struggling with grief over her uncle's death, twelve-year-old amateur astronomer Tuesday Beals makes a discovery that could save her favorite astronomy spots in Zion National Park from the threat of a new housing development.

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

Just before spending her sixteenth summer on Cape Cod, Sarah's boyfriend breaks up with her and, as a scientist whose focus is on winning a scholarship through her study of a comet, she designs an experiment to become more like her older sister to see if she, too, can be popular.

"Abby really doesn't want to do her homework. So she creates a black hole to swallow it up... but the black hole turns into a baby universe!"--

"Ishmael Jones and his partner Penny have been despatched to assist a group of scientists who are investigating a mysterious black hole which has appeared on a Somerset hillside. Could it really be a doorway to another dimension, an opening into another world? When one of the scientists disappears into the hole, with fatal consequences, Ishmael must prove whether it was an accident or murder. But with no clues, no witnesses and no apparent motive,...

"Dr. Benjamin Knowlton heads the High Energy Astrophysics Center, a prestigious research facility devoted to the interpretation of astronomical data. He stands at the apex of his profession, respected by his peers and involved in research with the potential to revolutionize our understanding of the universe. But Benjamin has no cause to celebrate. His beloved wife and colleague, Charming, an ex-astronaut turned astronomer, is dying of cancer. She...

In a series of messages placed in her grandmother's ancestral jar, a seventh century princess and future ruler of the Korean kingdom of Silla vents her frustration at not being permitted to study astronomy because she is a girl.

Tara, an Indian-American junior at Brierly prep school, feels her world dramatically change when a mirror planet to Earth is discovered and she, in this new era of scientific history, reconsiders her self and possible selves.

The reader's decisions control the course of an adventure in which two spaceships travel to investigate a black hole.