The Danube is a romantic river. It begins in the Black Forest of Germany, slashes gorges through the mountains and meanders along broad plains. Many castles and palaces have been built along its banks. Many cities have been built, destroyed and rebuilt. A truly international river, it is a source of travel and trade for many European countries. Its basin collects water from many more before emptying into one of the largest deltas and national parks in the world. How much do you know about this European river? Do you know: How many countries does the Danube River run through? Which mountain range grew around the Danube River? How often does the Danube River freeze? The oldest castle in the world sits along the Danube. Which castle is it? What are Danube Pebbles? Find out the answers to these questions and more and amaze your family and friends with these fun facts. Ages 8 and up. All measurements in American and metric. The Educational Version has activities that meet Common Core Curriculum Standards. LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.

The Tiber River begins in the Apennine Mountains in Central Italy. It flows through Umbria, Tuscany, Lazio and Rome before emptying into the Tyrrhenian Sea near Ostia. The Tiber carries a lot of mud and silt, which constantly blocks its mouth. It floods often, providing fertile land for agriculture and burying cities. It has also been a dumping ground for executed criminals. Do you know: Why does the Tiber River flood? Who is the Tiber River named after? What geographic feature of Rome was created by the Tiber River? How has the Tiber River raised many sections of Rome? Find out the answers to these questions and more and amaze your family and friends with these fun facts. Ages 8 and up. All measurements in American and metric. Reading Level: 6.9 Learning Island believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.

The Danube is a romantic river. It begins in the Black Forest of Germany, slashes gorges through the mountains and meanders along broad plains. Many castles and palaces have been built along its banks. Many cities have been built, destroyed and rebuilt. A truly international river, it is a source of travel and trade for many European countries. Its basin collects water from many more before emptying into one of the largest deltas and national parks in the world. How much do you know about this European river? Do you know: How many countries does the Danube River run through? Which mountain range grew around the Danube River? How often does the Danube River freeze? The oldest castle in the world sits along the Danube. Which castle is it? What are Danube Pebbles? Find out the answers to these questions and more and amaze your family and friends with these fun facts. Ages 8 and up. All measurements in American and metric. LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.

The Dead Sea is a salt-filled sea which sits on the border between Israel, Jordan and Palestine. It is 31 miles (50 km) long and 9 miles (15 km) wide at its widest point. It is one of the world's saltiest bodies of water. At 997 feet (304 metres) deep, it is the deepest hypersaline lake in the world. Fed by the Jordan River and rainfall of only 4 inches (10 cm) a year, it is slowly evaporating away. Here are some fun facts about this ancient body of water. Do you know: Why are there no fish in the Dead Sea? Where did the Dead Sea get its salt? Why can only two of the three countries bordering the Dead Sea mine its salt? How long has salt been mined in the Dead Sea? Who built the first health spa at the Dead Sea? Find out the answers to these questions and more and amaze your family and friends with these fun facts. Ages 8 and up. All measurements in American and metric. Reading Level: 6.3 Learning Island believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.

Our galaxy contains about 200 billion stars. Astronomers believed that some of these stars must have solar systems with planets. They went looking – and found some. They call these planets extrasolar planets or exoplanets. Here are some fun facts about them. Do you know: Where are exoplanets? How many exoplanets have scientists discovered? How many types of exoplanets are there? Do all exoplanets orbit stars the way our planets orbit the sun? And much more. Find out the answers to these questions and more and amaze your family and friends with these fun facts. Ages 8 and up. All measurements in American and metric. Reading level: 6.9 LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.

Gold was discovered in California in 1848. It seemed like California had everything. What they did not have was a fast way to communicate with the east. That was when the Pony Express was born. Find out some fun facts about this enterprise in this fun book. Reading level: 6.8

Earth is one of eight planets orbiting around our sun. Our sun is one of billions in our galaxy, and our galaxy is one of billions in the universe. Our galaxy is called The Milky Way Galaxy. It is about 120,000 light years across with a halo extending hundreds of thousands of lights years beyond it. With stars that are 13 billion years old, The Milky Way Galaxy is one of the oldest galaxies in the universe. Let's learn more about this galaxy and the things it holds. Do you know: Why is our galaxy called the Milky Way Galaxy How old is the Milky Way Galaxy How many stars are in the Milky Way? What is at the center of the Milky Way Galaxy? What is the most common type of star in our galaxy? Find out the answers to these questions and more and amaze your family and friends with these fun facts. Ages 8 and up. All measurements in American and metric. Reading Level: 7.2 LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.