Examines the evolution of castles, explores the daily life of the people living there, and shares stories of sieges.

Presents the stories of three animal workers, a dog that helps stranded dolphins, a monkey that aids a paralyzed man, and a rat that sniffs out land mines.

In Best Friends Forever, you'll meet four unlikely pairs that prove love knows no bounds. There's Suryia and Roscoe, the orangutan and dog swim buddies; Owen the baby hippo and his hero tortoise Mzee; Koko, the gorilla that speaks sign language and loves her kitties; and Jasmine, who befriends anyone that needs a helping hand. These true stories will amaze, inspire, and make you say "awww".

An introduction to koalas covers where they live, what they eat, and how they communicate, and follows the animal's development from cub to adult.

Follows an underwater wildlife photographer on four real-life adventures as he photographs leatherback sea turtles, harp seals, a whale named Wilma, and some gray reef sharks.

Explore one of the most recognized people in history with the biography of Cleopatra. Kids will learn about her life, achievements, legacy, and why she continues to fascinate generations of readers. This book follows the same standards as other National Geographic Readers with the same careful text, brilliant photographs, and fun approach that kids love.

Learn about bees. "¿Qué es ese zumbido? ¡Es una abeja! Con imágenes hermosas, divertidas y auténticas, y un texto comprensible, los niños aprenderán sobre estos increíbles insectos con este libro de nivel 2."--Amazon.

"Take a stroll along the beach. What do you see? Young readers will learn all about the beach and the animals that call it home in this fun pre-reader. Through text features such as the vocabulary tree and the wrap-up activity, kids will be introduced to new words and concepts -- helping them expand their understanding of the world"--

Hey, dolphin fin-atics! Get ready to dive into the world of your favorite fabulous marine mammals in this action-packed book chock-full of awesome facts, photos, and fun! Join National Geographic explorer and dolphin expert Justine Jackson-Ricketts to get the latest, most up-to-date dolphin intel straight from the field, plus fun facts, in-depth info, and awesome trivia about every kind of dolphin under the sun (and beneath the waves). It's the ultimate...

Profiles the life and work of a founding father, from his rivalry with Thomas Jefferson to his portrayal on Broadway.