"Unsure of everything around her, including her own identity, Thalli, who can experience emotions, doesn't know where to turn. She knows she needs the Designer, but he seems further away than ever. What she does know, though, is that if she doesn't do something to stop Dr. Loudin, the fragile world aboveground will be lost once and for all"--

"Join Patrick and Beth as they unravel the mysteries of the Imagination Station. The cousins travel to 1923 New York City, the home of Nikola Tesla, a quirky inventor. He has the knowledge to fix the damaged Imgination Stations. But can they get his help while keepig the machines' purpose a secret? Or will Tesla figure out how to alter time and change history? Meanwhile Patrick discovers an old friend - Eugene Meltsner - who has startling secrets...