num_pages: 451
description: Ada Sibelius is raised by David her brilliant eccentric socially inept single father who directs a computer science lab in 1980s-era Boston. Home-schooled Ada accompanies David to work every day; by twelve she is a painfully shy prodigy. The lab begins to gain acclaim at the same time that Davids mysterious history comes into question. When his mind begins to falter leaving Ada virtually an orphan she is taken in by one of Davids colleagues. Soon she embarks on a mission to uncover her fathers secrets: a process that carries her from childhood to adulthood. What Ada discovers on her journey into a virtual universe will keep the reader riveted until The Unseen Worlds heart-stopping fascinating conclusion.
language: English
title: The Unseen World
publisher: W. W. Norton  Company