When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.

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.

The space ship Star Warts, commanded by Commander Toad, encounters a black hole which threatens the vehicle with doom.

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.

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.

"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,...

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.

In 1876, Ellen Harding Baker begins stitching a quilt that accurately depicts the solar system, demonstrating to her daughters that they can dream bigger and look farther. Includes author's note.

"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!"--

A million years from now, the galaxy is divided between the vast, cooperative meta-civilisation known as the Amalgam, and the silent occupiers of the galactic core known as the Aloof. The Aloof have long rejected all attempts by the Amalgam to enter their territory, but have permitted travellers to take a perilous ride as unencrypted data in their communications network, providing a short-cut across the galaxy's central bulge. When Rakesh encounters...