ISBN-13: 9781511867061 / Angielski / Miękka / 2015 / 120 str.
After reading The Time Machine by Herbert George Wells, Isabel decides to locate a real time machine at the Otter Tail County Fair. She finds what she believes is a damaged time machine, only to discover it is actually a drone. Therefore, she decides to build her own, very special machine to travel through time so that she can identify the culprits who damaged the drone. She and her new friend, Adam, become involved in several exciting adventures as she solves the mysteries that surround the drone.