"There's something lurking in the junkyard in Jim Knox's neighborhood, and it's up to him and his friends (and science-fair rivals) to put their robot-building skills together in order to defeat it"--
- ISBN10 0307975622
- ISBN13 9780307975621
- Publish Date 8 October 2013 (first published 1 January 2013)
- Publish Status Active
- Publish Country US
- Imprint Alfred A. Knopf Books for Young Readers
- Format eBook
- Pages 139
- Language English