When my old friend Professor von Squeaker called to ask for help, I agreed immediately - even though..

Lost in a dark, spooky forest! it was something that could only happen to me, Geronimo Stilton. Unti..

It was a dream come true-I was off to Egypt to interview an famous archaeologist! I climbed on board..

It all started when my sister, Thea, discovered a mysterious map. It showed a secret treasure on a f..

How many different types of cells are there? What are reflexes? Why do your ears help you to balance..

How are mammals different from other animals ? Which is the smallest  mammal? Which are the only mam..

How many teeth does a crocodile have? Which is the world's most poisonous animal? How do orcas hunt?..

Who were the men of mail and where did they build their homes? What is a  cavalry? How were the firs..

What are stars made of? Why do they die? Has anyone or anything ever  lived on Mars? What are sunspo..

Clifford is in trouble all over town for his habit of digging, but when a storm threatens the librar..

Cleo finds out why she shouldn¹t lie in this easy-to-read story that is based upon an episode of the..

This funny Halloween story about Clifford the Big Red Dog, based on an episode from the award-winnin..

Another beginning reader about everyone's favorite Big Red Dog, based on an episode from the award-w..

The native bees of Central America are important for farmers, the rain forests, and food production...

Trinidad and Tobago is famous for its beautiful birds. One man has made it his life's work to study ..

In southern Africa, there is a group of people called 'Bushmen.' These people know a lot about wild ..