Hinata is a shy fifth grader who ends up caring for Chris, his grandfather's Shiba Inu. Chris is apparently a highly distinguished former police dog, but he's not the most reliable pooch-he's terrified of bugs! One day while Hinata and Chris are out on a walk, a patrol car siren blares: There's been a jewel heist in the neighborhood! As the police desperately investigate the crime, Hinata and the cowardly great detective Chris just happen to come across a vital clue...?  SC, 112pgs, B&W

When a handkerchief is left at Hinata's family's veterinary clinic, he and Chris take on the job of returning it to its rightful owner. But when Chris tracks its scent, the pair find themselves in front of a haunted house. And is that a z-z-zombie?! Hinata has no time to be afraid, though, he's got to protect Chris! What mysteries lie inside the haunted house, and just who left behind that handkerchief? SC, 176pgs, B&W

TROUBLE ON THE HIGH SEAS! Hinata, Mayuka, and Chris are invited to attend a classmate’s recital on the luxury cruise ship Primavera. But they were supposed to go home before the ship left port, so why are they now in the middle of the ocean?! And as if that wasn’t bad enough, a violin worth millions has vanished from right under their noses! Once again, it’s up to Hinata and Chris to catch the culprit and find the missing instrument. But what happens when Chris is taken, too? Will Hinata ever see his beloved dog again? SC, 144pgs, B&W