Did dinosaurs have fleas?

This book gently introduces young readers to basic geological concepts, and is suitable for children aged 8 to 13. Read the story of Vilda and Fína and their trips with their geologist grandad to find mysterious stones, fossils, and interesting places across the Czech lands. You will find out where to find chasms in our country, where the nearest crater is, and what can be discovered underground. You can even help Vilda with his diary entries. Čert and Andělka will also be there to faithfully accompany you.