Catherine takes David, Elizabeth, and Katy to the Cataman village to see the newest attraction, the Holo-Cat, a Holographic Computerized and Autonomous Teacher. New and wondrous things await our young friends in this strange environment. Go with David and the gang as they tour through the digestive system in the Holo-Cat. It's a great way to learn and have fun reading at the same time.

Go with David, Elizabeth, Katy and Ms Catherine as they explore the circulatory system in the Holo-Cat. Learn more about how the body functions while riding the red blood cells through the heart, but watch out for those white cells It's a great way to learn and have fun while reading at the same time.

When Catherine has business on the Catanic, David, Elizabeth, and Katy meet a new teacher, Felix, who takes them into the Holo-Cat for a lesson in the world of the very small. Follow along as they learn about atoms, particles, elements and much more See what happens when atoms are smashed and particle collide

When Catherine has business on the Catanic, David, Elizabeth, and Katy meet a new teacher, Captain Felix, who takes them into the Holo-Cat for a lesson in the world of the very small. Follow along as they learn about atoms, particles, elements and much more See what happens when atoms are smashed and particle collide

The Catamans are race of super smart and hardworking cats that take flight from their home planet, CATAMAS, in the CATANIC, the ship they built to sail through the universe. They discover another life form, different from themselves, on the planet called Earth. The Catamans have green bodies, with white stripes and colorful eyes. They walk on their hind legs and can change their paws into hands. Join the adventure with the Catamans as they land one of their shuttles next to the Wellington Palace and meet Mr. and Mrs. Wellington and their son David. In Volumes 1 through 5, young David...