"The essential universe, from our most celebrated and beloved astrophysicist. What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? There's no better guide through these mind-expanding questions than acclaimed astrophysicist and best-selling author Neil deGrasse Tyson. But today, few of us have time to contemplate the cosmos. So Tyson brings the universe down to Earth succinctly and clearly,...

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

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.

After a black hole follows her home and swallows everything it touches, eleven-year-old Stella Rodriguez, who is mourning the death of her father, isn't sure how to cope with her strange new pet.