Seventeen year old Lady Elizabeth Ada Lovelace sneaks into an auction, in disguise of course, and bids to win the Ghost Machine. While attempting to get it functional, she is sucked into a whole new world, where she finds the handsome ghost in the machine, along with his quickly-becoming-sentient computer counterpart. Time is running out and she must escape before the engine stops. This is an adventurous foray into the depths of technology. Our heroine is intelligent, tech savvy, and independent. This book has wonderful world building, leaving you with a perfect visual of the city and inhabitants inside the machine. Danger lurks each twist in the track. Will they make it out in time?