The Dinosaur’s Diary – Julia Donaldson https://www.juliadonaldson.co.uk/books/older-readers/the-dinosaurs-diary/
It’s hard for Hypsilophodon (H to her friends) to find a safe place to lay her eggs with so many bigger fiercer dinosaurs around. When she falls into a mysterious pool and finds herself on a modern farm, things don’t get any easier. How do you keep thirteen growing baby dinosaurs safe and secret?
Dinosaur’s Diary is about one of these small creatures, who lives in perpetual terror