Fifth-grader Alex Trumble builds a "dingus"--a time machine--when his brother Stephen is kidnapped by dangerous, evil time-travelers, to get back to the past and into the future to save his family from disaster.
- ISBN10 1680651463
- ISBN13 9781680651461
- Publish Date 16 July 2013 (first published 8 May 2012)
- Publish Status Out of Print
- Out of Print 14 September 2021
- Imprint Perfection Learning
- Format Hardcover (Library Binding)
- Pages 161
- Language English