A boy, worried about his first day at a new school, finds himself on the wrong bus, a bus full of puppies bound for Puppy School--and discovers that despite the strange food and even weirder bathroom Puppy School is a lot of fun.

While the cats are away, the other cats will play! Flight Director Maisy is off on her first vacation in years, and World's Best Scientist is looking for a secret vacation of his own. But while the party picks up on Earth, the CatStronauts are trying to get all of their work on the International Space Station done in record time. So when disaster strikes in space, the CatStronauts will have to fix everything without their trusty support team at Mission...

Future CatStronaut Waffles and his younger sister Pancake are kittens who enjoy visiting the science museum with Dad-Cat.

Waffles, Pancake, and Mom-Cat go to visit Gramps and Grammers, but this is the kittens' first time flying on an airplane, and Waffles is a little nervous

"Darby Fuzzelton, the world's richest cat, is determined to open the first-ever space hotel! Her first guests? The elite CatStronauts along with a few kittens who were top of their class at Space Camp. Their job? To prove that her space hotel is safe to the public. When the cats and kittens arrive, they're greeted by AVA, an advanced Artificial Intelligence system programmed to handle countless hotel operations. Upon seeing Cat-Stro-Bot and his ability...

Alerted to a global energy crisis, the President consults with the World's Best Scientist, who suggests sending a special group of astronauts to turn the Moon into a solar power plant.

"Waffles and his sister, Pancake, go to Space Cat Camp."-- Prepare for lift off! Waffles and his sister Pancake are about to spend three days at Space Cat Camp—a fun, science-packed training experience for future CatStronauts. Pancake can’t wait to learn about satellites, space shuttles, and all things outer space, but Waffles is feeling a little homesick. How can he enjoy his time at camp when all he wants is his dad-cat? With some new friends...

"When the [CatStronauts and some kittens from Space Camp] arrive [at a Space Hotel], they're greeted by AVA, an advanced artificial intelligence system programmed to handle countless hotel operations. Upon seeing Cat-Stro-Bot and his ability to go ANYWHERE, AVA becomes obsessed with gaining her own freedom. With AVA distracted, all the hotel systems go on the fritz! Will the CatStronauts escape this hotel of horrors?" -- adapted from cover.

"With national pride and valuable scientific research on the line, the CatStronauts race against the CosmoCats and others to be the first cats to Mars"--