When Tom's big brother decides to become an Evil Scientist, his first experiment involves dunking Frankie the goldfish into toxic green gunk. To save Frankie Tom zaps him with a battery to bring him back to life, but there's something weird about the new Frankie. He's now a big fat zombie goldfish with hypnotic powers and he's out for revenge.

When Tom zapped Frankie the goldfish back to life with a battery, he certainly didn't expect him to become a BIG FAT ZOMBIE GOLDFISH with incredible hypnotic powers. But it turns out that a zombie goldfish is a great pet to have on your side when your big brother is an evil scientist whose plans need to be thwarted. There's something fishy going on in the woods, as Tom and his best friend Pradeep take Frankie on a camping adventure. Could the Beast...

After Tom rescued Frankie the goldfish from his big brother Mark's toxic science experiment by zapping him back to life with a battery, Frankie somehow became a BIG FAT ZOMBIE GOLDFISH with dangerous hypnotic powers. Fortunately, Frankie has appointed himself Tom's bodyguard, and together, with a little help from their friends, they thwart Mark's Evil Scientist plans. Tom is looking forward to their annual family trip to the seaside, right up until...

Frankie was a completely normal pet goldfish ...until Tom's evil-scientist big brother Mark tried to murder him with toxic gunge! Luckily Tom and his best friend Pradeep shocked Frankie back to life with a battery, and he's been their zombie-fishy friend ever since. On a trip to the aquarium, something fishy starts going on. Something that almost certainly involves evil older brothers, a vampire kitten, a psychic octopus and a plot to take over the...

Fish-tory comes to life in this sixth and final chapter book featuring our favorite zombie goldfish, Frankie! When Tom and his best friend rescued Frankie the goldfish from his evil-scientist big brother's toxic gunge, their new pet came back as a BIG FAT ZOMBIE GOLDFISH. Frankie is good at saving the day, but can he become a real knight in shining armor during the medieval day reenactment joust? Then, can the school survive two BIG FAT ZOMBIE GOLDFISH?...