Welcome, Agent 359. This file is full of top-secret information about stars. Learn about what they are made of, how they form, and different stars throughout history. Then, discover what we are learning about them now. What will you do with your new knowledge? Good luck and remember these are top secret space files!

For thousands of years, people wondered what space was like. Thanks to big teams and lots of planning, these trailblazers safely explore space. Fun illustrations pair with bright photos to help readers learn all about our greatest adventures.

For thousands of years, people have wished they could fly. Thanks to a few trailblazers, people soar through the air every day. Fun illustrations pair with bright photos to help readers learn all about our greatest adventures.

In the past, traveling was difficult. Some places weren't even on maps! But many trailblazers have found ways to explore our world. Fun illustrations pair with bright photos to help readers learn all about our greatest adventures.

Most of our world is covered by water, but we have only explored some of it. Follow a few trailblazers as they adventure on and under the sea. Fun illustrations pair with bright photos to help readers learn all about our greatest adventures.

Take a trip to Colombia! Start in the city of Bogotâa, where you'll find many colorful buildings. Then, go dance and wear costumes at the Barranquilla Carnival. And don't forget to visit the painted tombs or drink some coffee! Learn all about Colombia as you explore the country through this fun and engaging book.

Take a trip to Ecuador! Start in the city of Quito, which is built on the side of a volcano. Then, head into the Mindo Cloud Forest to see some beautiful waterfalls. And don't forget to stop by the colorful Otavalo Market to see some local crafts! Learn all about Ecuador as you explore the country through this fun and engaging book.

Take a trip to Finland! Start in the city of Helsinki, where you'll find some beautiful buildings. Then, head to a fun Midsummer celebration to enjoy a bonfire or swim under the Midnight Sun. And don't forget to relax in a hot sauna! Learn all about Finland as you explore the country through this fun and engaging book.

Take a trip to Jamaica! Start in the city of Kingston, where you can see beautiful views of the Caribbean Sea and the Blue Mountains. Then, listen to some reggae music or grab some delicious jerk chicken to eat. And don't forget to say hi to the manatees! Learn all about Jamaica as you explore the country through this fun and engaging book.

Take a trip to Pakistan! Start in the city of Lahore, where you'll find the beautiful Badshahi Mosque and other historic buildings. Then, shop at a colorful bazaar or hop on the Karakoram Highway to drive through mountains. And don't forget to drink some sweet sugarcane juice! Learn all about Pakistan as you explore the country through this fun and engaging book.

Take a trip to Poland! Start in the city of Kraków, where you'll find Wawel Castle. Then, head into nature to see the wildlife in Białowieża National Park. And don't forget to try pierogi! Learn all about Poland as you explore the country through this fun and engaging book.

Take a trip to South Africa! Start in the city of Cape Town, where you'll find Table Mountain and thousands of African penguins on a beach. Then, head to the Motlatse Canyon with its many waterfalls. And don't forget to watch a game of Jukskei! Learn all about South Africa as you explore the country through this fun and engaging book.

Take a trip to Thailand! Start in the city of Chiang Mai, which has a group of interesting old buildings surrounded by a moat. Then, hop in a boat to shop at a floating market. And don't forget to feed monkeys at the Lopburi Monkey Festival! Learn all about Thailand as you explore the country through this fun and engaging book.

Take a trip to the Netherlands! Start in the city of Rotterdam, where you'll find some unusual cube-shaped houses. Then, ride a boat down the canals of Giethoorn or grab a big wheel of cheese at the market. And don't forget to check out the famous Dutch windmills! Learn all about the Netherlands as you explore the country through this fun and engaging book.

Take a trip to Turkey! Start in the city of Istanbul, where you'll find the famous Hagia Sophia. Then, take a ride in a hot air balloon during the balloon festival. And don't forget to try some tasty baklava or visit one of the underground cities! Learn all about Turkey as you explore the country through this fun and engaging book.