"Feline Planet" is a colorfully illustrated, early middle grade novel, told by 9-year old Nora. It begins when she and her twin brother, Jake, arrive at their great-aunt's home in the mountains, Eve, a retired space scientist, will take care of the twins while their wildlife-photographer mother is in the Amazon. While in the forest, they find Eve's secret spaceship. Along with their cat Hazel, they enter the spacecraft, and it takes off into space! Together, they travel to Feline Planet, the home of highly intelligent cats. However Nora and Jake's spaceship was damaged upon impact. Luckily, when they landed, they meet a feline science fiction writer, Cosmic, who tells them only the brilliant Professor Zenith could repair their spaceship - but he's a recluse whose whereabouts is unknown. A mysterious series of riddles is the only way the twins can find Zenith's location. Cosmic guides the twins on their quest, and they grow to love Feline Planet, but also desperately need to return to the safety of Earth. The twins' rivalry, their wandering cat, and the riddles themselves challenge them at every turn. Will Nora and Jake find Professor Zenith in time to travel to Earth before their mother returns from the Amazon?