"Celebrate the Summer Olympic Games with this elementary-level introduction to aquatic sports, including swimming, diving, and water polo. Includes biographical facts about the most decorated female Olympic swimmer, Katie Ledecky."--

"Celebrate the Summer Olympic Games with this elementary-level introduction to the sport of gymnastics and its floor and apparatus events. Includes biographical facts about Hmong-American artistic gymnast Suni Lee"--

Rowing events at the Summer Games are amazing to watch! Rowers push and pull oars in sync, cutting cleanly through the water. Elementary readers will learn about races and boats and discover the power and endurance it takes to win gold in this sport's sculling and sweep events. Action photos and straightforward text introduce rowing's Olympic history, equipment, and individual or team modes of play. A biographical story spotlights five-time gold medalist Steven Redgrave, an English rower who is considered the best rower of all time. Photo captions and on-page definitions support reading comprehension. Includes extra resources and an index.

Wrestling events at the Summer Games are amazing to watch! From technical holds and weight classes to pins and escapes, elementary readers will discover the strength and control it takes to win gold in this sport's Greco-Roman and freestyle events. Action photos and straightforward text introduce wrestling's Olympic history, equipment, and scoring. A biographical story spotlights freestyle wrestler Jordan Burroughs, the first U.S. wrestler to win seven global gold medals. Photo captions and on-page definitions support reading comprehension. Includes extra resources and an index.

Mars and Earth share many features. Maybe one day, cities full of people will be another thing they share! But how similar are the planets, really? Which features aid in supporting human life, and which will make colonization more difficult? Find out what kinds of preparations are underway to make living on Mars possible. Full-color photos give readers a look at this future vacation destination. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Mars is full of fascinating geological features that would make a visit an amazing experience. From Olympus Mons and Mariner Valley, to the chaos terrain and Phobos and Deimos, the Red Planet is ready to be visited, cataloged, and explored. Readers will discover what the longest-ever road trip would be like, what to expect on the planet's surface, and what potential dangers face them once they get there. Full-color photos highlight Mars's geography and landmarks. 21st Century sidebars discuss technological advancements, hypothesize future endeavors and inventions, and solve problems and challenges astronauts might face. An activity at the end lets readers think about what they learned in a hands-on way.

Deserts can be hot and dry, but that doesn't bother me! I love the heat and enjoy sunbathing, but I am not a horned lizard. I spend most of my life underground, but I am not a desert tortoise. What desert animal am I? Read the clues and guess!

Deserts can be hot and dry, but that doesn't bother me! I love the heat and enjoy sunbathing, but I am not a horned lizard. I spend most of my life underground, but I am not a desert tortoise. What desert animal am I? Read the clues and guess!

There are millions of farms around the world, and lots of farms around the world include me! If a predator gets too close, I make a lot of noise. However, I am not a donkey. I sleep standing up, but I am not a horse. What farm animal am I? Use the clues and guess!

There are millions of farms around the world, and lots of farms around the world include me! If a predator gets too close, I make a lot of noise. However, I am not a donkey. I sleep standing up, but I am not a horse. What farm animal am I? Use the clues and guess!

Around 84 percent of homeowners have a pet, so I'm in good company. I'm a common pet, but I am not a dog. I am quiet and like to sleep, but I am not a ferret. Read the clues and try to guess which pet I am before the end of the book!

Around 84 percent of homeowners have a pet, so I'm in good company. I'm a common pet, but I am not a dog. I am quiet and like to sleep, but I am not a ferret. Read the clues and try to guess which pet I am before the end of the book!

"The African savanna is home to many kinds of animals, including me! I am spotted, but I am not a giraffe. I am strong, but I am not an elephant. Read the clues and try and guess which animal I am before the end of the book!"--

"The African savanna is home to many kinds of animals, including me! I am spotted, but I am not a giraffe. I am strong, but I am not an elephant. Read the clues and try and guess which animal I am before the end of the book!"--

The rain forest is a hot, wet place with many kinds of animals. It is my home. I make a lot of sounds but am not a parrot. I sleep a lot but am not a sloth. Can you guess which animal I am by reading the clues in the book?

The rain forest is a hot, wet place with many kinds of animals. It is my home. I make a lot of sounds but am not a parrot. I sleep a lot but am not a sloth. Can you guess which animal I am by reading the clues in the book?

The polar regions are very cold and very windy. There is snow and ice everywhere, but I love my home. My feet help me walk on the slippery ice, but I am not a penguin. My thick fur keeps me warm but I am not an Arctic fox. What animal am I? Read the clues and guess!

The polar regions are very cold and very windy. There is snow and ice everywhere, but I love my home. My feet help me walk on the slippery ice, but I am not a penguin. My thick fur keeps me warm but I am not an Arctic fox. What animal am I? Read the clues and guess!

Living on a mountain isn't easy, but it's my home. I am a great hunter, but I am not a snow leopard. I have a great sense of sight, but I am not an owl. Can you guess which mountain animal I am by reading the clues in the book?

Living on a mountain isn't easy, but it's my home. I am a great hunter, but I am not a snow leopard. I have a great sense of sight, but I am not an owl. Can you guess which mountain animal I am by reading the clues in the book?

The ocean is salty and can be warm or cold. It covers 70 percent of the Earth and is my home. I love to hunt and eat fish but am not an octopus. I am a graceful swimmer and can jump out of the water but am not a dolphin. What animal am I? Use the clues and guess!

The ocean is salty and can be warm or cold. It covers 70 percent of the Earth and is my home. I love to hunt and eat fish but am not an octopus. I am a graceful swimmer and can jump out of the water but am not a dolphin. What animal am I? Use the clues and guess!

Airports are busy places with people and things taking off and landing from trips across states, countries, and oceans. Who are the people who keep airports running? From security officers to baggage handlers to gift shop employees, many people work together to serve the needs of an airport. Learn about their important work in this book from the Wonderful Workplaces series.

Hospitals are busy places filled with sick and injured people and their caregivers. Who are the people who keep hospitals running? From schedulers to doctors and nurses to IT staff, many people work together to serve the needs of a hospital. Learn about their important work in this book from the Wonderful Workplaces series.

Zoos are busy places filled with animals and the visitors who love them. Who are the people who keep zoos running? From vets to performers to groundskeepers, many people work together to serve the needs of a zoo.