A group of ninjas is terrorizing Muskrat City, and to disband them, the Super Heroes must find out who their leader is. Could it be someone from the past dead set on settling an old score?
- ISBN10 8408122843
- ISBN13 9788408122845
- Publish Date 30 September 2014
- Publish Status Out of Print
- Out of Print 5 February 2021
- Imprint Planeta-Espaa
- Format Paperback (US Trade)
- Pages 187
- Language English