Astrosaurs The Hatching Horror

In this book Teggs has to get some new discovered dinosaur eggs to a safe planet that is safe for the eggs to hatch on. They set off to the ship. When they were on the trip they found a meteor was following them. It was a overapter ship. They landed on the planet and ended up falling down a hole. But the planet wasn't a planet, it was a egg! The big egg hatched and they found a planet for the small eggs.