Storm the gates, uncover hidden passageways, and defend the keep! Fortified: Castles Around the World invites young readers on an unforgettable journey through the global history of castles and fortresses. From the towering stone strongholds of medieval Europe to the hilltop castles of Japan, fortified cities of China, and ancient ring forts built by the Vikings, this richly illustrated book explores how people across six continents built, lived in, and defended these powerful structures. Along the way, time-traveling siblings Ava and Zane guide readers through the daily lives of the people inside the walls-kings, knights, servants, warriors, and children-while uncovering the cultural, political, and technological forces that shaped their world. With vibrant visuals, engaging diagrams, and inclusive content, this high-interest nonfiction title encourages readers to think critically, ask big questions, and see history as an adventure. Fortified features: Castles, forts, and fortified cities from multiple continents Clear explanations of how castles were built and defended Exploration of the people, power, and purpose behind each fortification A secular, global perspective that highlights lesser-known histories alongside familiar ones Designed to engage independent readers, classrooms, and history-loving families alike, this title brings world history to life beyond kings and battles, inspiring curiosity about how humans across cultures have shaped and defended their communities.