||Gillianís father seems to be a
crackpot, with his conspiracy theories about the Cold War
era scientist, Dr. Underberg and his plans for an
underground world prepared for the survival of the human
race. Clues lead Gillian, her brother and their space-nerd
friend, Howard to a hidden world created by Dr. Underberg
decades ago. They must learn what they can and find a way
out before the people who want the secrets buried find
State Young Readers Award Books 2017-2018)
|SUBJECTS: Adventure and adventurers -- Fiction.
Fathers and daughters -- Fiction.
Girls -- Fiction.
Mystery and detective stories.