Underground Kingdom
Underground Kingdom

Underground Kingdom

By Edward Packard

$8.99

Publication Date: October 6, 2026

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Availability: Out of stock, but more on the way Pre-orders ship after the publication date.

Ages 8 to 12, Grades 3 to 7

Finally back in print! Venture to save Dr. Vivaldi in this iconic interactive book where YOU decide what happens next. Packed with 21 possible endings!

Choose Your Own Adventure books—the 4th bestselling children’s series of all time—are back and as much fun as you remember. Kids and adults agree, these are the books that get 9- to 12-year-olds reading.


Your friend, a famous scientist, has disappeared down the bottomless crevasse in Greenland that she discovered. Now you’re a part of the team going down to try to find out what happened. Upon arrival at the underground kingdom, danger and awe are all around you. The choices you make could end up with you caught between warring nations or getting attacked by beasts. Can you make it back to the surface of Earth?

Stories of a hidden world beneath our own have long been popular, but in Underground Kingdom, you get to make the choices that guide your time exploring it. Readers looking for an exciting, heart-pumping adventure—buckle up!

About the Author

Ed Packard was born in 1931 in Huntington, New York, and worked as a lawyer before becoming a full-time writer. He wrote the first book in Bantam's classic Choose Your Own Adventure series, The Cave of Time, and wrote many other titles in the series. His book Imagining the Universe (1994), received a Scientific American book award. His recent writings are available at edwardpackard.com.

Author Residence: Swarthmore, Pennsylvania

Author Hometown: Huntington, New York

Format: Trade Paperback

Pages: 144

Publisher: Choose Your Own Adventure

Publication Date: October 6, 2026

ISBN: 9781937133191

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