Harry and his dog Hopper have done everything together, ever since Hopper was a jumpy little puppy. But one day the unthinkable happens: when Harry comes home from school, Hopper isn't there to greet him. Hopper will never be there again, but Harry isn't ready to let him go...
- ISBN10 4265068243
- ISBN13 9784265068241
- Publish Date 1 June 2010 (first published 4 May 2009)
- Publish Status Unknown
- Imprint Iwasaki Shoten
- Format Hardcover
- Pages 32
- Language Japanese