Why does the waterfalls retreat? How does China’s three most famous gorges hydroelectric dam on the Yangtzee River produce electricity? How are tides generated? How to use the energy in tides? Do ocean current have fixes routes? How does the “Duckling Fleet” drift? Open this book and explore the mysteries of the blue planet with Squirrel Cat!
The sun is like a furnace. What does it burn? Why does the sun burn for 10 billion years? Can the water we drink every day produce hydrogen energy? Why does the Long March 5 rocket choose liquid hydrogen as fuel? With hydrogen energy, can we get rid of our dependence on oil and natural gas? Let’s get to know the magical hydrogen energy with Squirrel Cat!
Is nuclear energy the “devil”? Are nuclear power plants safe? What is the difference between a nuclear power plant and a nuclear bomb? What is an artificial sun? Will it become the ultimate energy source for mankind? Explore the magical nuclear energy with Squirrel Cat!
Can electronic watches be charged by body heat? Can electricity be transmitted without wires? In the space magnetic motor a perpetual motion machine? Can the energy from lightning and earthquakes also be used? Is energy conservation also a “new energy”? Let’s find new energy everywhere with Squirrel Cat
Solve the mystery with The Secret Seven In these thrilling mysteries the Secret Seven investigate the disappearance of a young girl, uncover a secret in abandoned house and find a surprising intruder in their new meeting place. This book contains: - Secret Seven Win Through - Three Cheers, Secret Seven - Secret Seven Mystery
Join the Secret Seven as they search desperately for their beloved dog Scamper when he goes missing, spy on a gang of thieves in Bramley Woods and set out to protect a sick horse from being kidnapped. This book contains: Shock for the Secret Seven Look Out, Secret Seven Fun for the Secret Seven
Uncover clues with the Famous Five as they search for mystery treasure, discover who’s stranded on a haunted island with them and work out who stole important papers from a famous scientist. This book contains: Five Go to Demon’s Rocks Five Have a Mystery to Solve Five Are Together Again
George is on her way to a birthday party with a very special present. But she had better watch out! Two thieves are on her trail and desperate to get their hands on it…
The Famous Five are on their way to the cinema when Timmy spots a cat and races after it, taking the gang on a detour to an empty house. But it is really empty? There are some very strange sounds that tell a different story…
All George wants is a harcut, but she gets tangle up with some cunning burglars. Julian, Dick and Anne are too busy eating ice cream to help. So who will save the day?