With school out Oona and her brother Bonk are busy helping their father gather food, but Oona's pet Stegosaurus is something of a cave wrecker when left at home all day, so the children start Camp Woggle where all the local pets can amuse themselves during the day--but Mauro's pet T-Rex is a problem because he has a tendency want to eat the other campers.

When Penelope Rex brings home Walter, the class goldfish, for the weekend, she is not sure how to feel, but when Walter goes missing, Penelope searches high and low for her fishy classmate.

"Cordelia and her brother host a tea party for an unusual guest--a T-Rex"--

Rex is bigger than anyone else at school, and everybody is scared at him--but he reminds us that "rawr" means hello in dinosaur language.

It is career day at school and Rawr the T-rex comes in his superhero cape and belt, because a superhero who saves the day is what he wants to be--or maybe an astronaut.

Introducing Dexter T. Rexter, the toughest, coolest dinosaur ever. At least he likes to think so. When his best friend, Jack, leaves him behind at the doctor's office, Dexter T. Rexter panics. First he tries to find Jack. Then he sings their special song. Then he sings their special song even louder . But when Jack still doesn't appear, Dexter starts to wonder. What if he's being replaced by another toy? It can't be-after all, he can STOMP, RAWR,...

Tiny T. Rex wants to cheer up his friend, Pointy, with a hug, but he is frustrated because even as he gets bigger, his arms remain too small for proper hugging--but he is determined to practice, even when he gets into trouble.