In Book One of this hilarious and action-packed series for newly confident readers, Fizz is determined to go to the Police Dog Tryouts and prove that he can do the job. But he is the smallest, whitest, fluffiest dog in the long queue. Meet Fizz - the daring dog detective! Fizz wants to be a police dog. He's brave, clever and super-fast, but Fizz doesn't look like a police dog. His family are show dogs and companion dogs, not working dogs. Fizz longs for adventure, and he's determined to try out at the Sunnyvale City Police Station. There, he is the smallest, fluffiest dog in the line-up, and he meets fierce Amadeus, who definitely wants to be top dog.

Meet Fizz - the daring dog detective! Today Fizz starts his training to become an undercover police dog. The police dog tryouts were hard, and skills training will be even harder. But Fizz and his new friend Remi are given an extra challenge to test their detective skills. Trainee dogs are being injured and sent home. Sergeant Stern believes it's no accident. He wants to know who is doing this and why. Fizz and Remi must solve the mystery, or they won't graduate as undercover police dogs.

Meet Fizz - the daring dog detective! Fizz's heart is beating fast. Today he begins his first case as an undercover police dog. It's going to be tricky. At the last three show dog championships the winner's tiara has been stolen. Now Fizz must go deep undercover as a contestant at the Pemberley Show Dog Trials. Fizz and police dog Remi have to perform at their peak to try to catch the show dog jewel thief red-handed.

Meet Fizz - the daring dog detective!Fizz has solved his first real case as an undercover police dog, but his next assignment is about to get personal. Two handbag dogs have been kidnapped at red-carpet events in Sunnyvale City, and now there's another victim: Fizz's sister Crystal! Sergeant Stern sends Fizz, Remi and Amadeus undercover as dog models at the spectacular Shrill Alarm Collar launch. And in order to catch the culprit in the act, Fizz is going to be the bait!