The four Alden children, aged six to fourteen, volunteer at the new recycling center in town, and help uncover who is breaking in and making a mess each night.
- ISBN10 1306596017
- ISBN13 9781306596015
- Publish Date 1 January 2011
- Publish Status Active
- Out of Print 25 February 2015
- Publish Country US
- Imprint Albert Whitman & Company
- Format eBook
- Language English