When a classmate falls into a coma, best friends and monster hunters Carlos and Benny investigate weird noises and smells that are coming through Monterrosa Elementary's classroom vents.
- ISBN10 1484713230
- ISBN13 9781484713235
- Publish Date 31 October 2017
- Publish Status Active
- Publish Country US
- Imprint Hyperion
- Format Hardcover
- Pages 208
- Language English