Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change history by sabotaging the Lewis and Clark expedition. It's up to Ada and Leo to use multiplication and division to solve for variables in order to save the expedition.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change history by enchanting the water clock in the Library of Alexandria. It is up to Ada and Leo to use addition and subtrations in one step equations to solve for the missing numbers on the clock.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the Viking Age through a treasure dispute. It’s up to Ada and Leo to figure out which values make the equation or inequality true or false in order to decide how to divide the treasure.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage the building of the Empire State building by changing the building plans. It is up toe Ada and Leo to apply the properties of operations to generate equivalent algebraic expressions to make sure all the building plans are correct.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage Jackie Robinson's baseball debut and change broader history. It's up to Ada and Leo to use substitution and order of operations to determine who the real Jackie Robinson is.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to create a food shortage by sabotaging early farmers. It up to Ada and Leo to help early farmers recalculate portions gathered to maintain food sustainablity.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage music by confuesing Mozart. Its up to Ada and Leo to reteach Mozart musical notation.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage Amelia Airhearts flight across the Atlantic. It's up to Ada and Leo to help convert messurments to recalculate for enough fuel for the flight.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the history of underwater exploration. Its up to Leo and Ada to help Jacques Cousteau recalculate depths by adding and subtracting negative numbers.
Readers are taken on a journey to the chaotic U.S. election of 1824, where Andrew Jackson won the popular vote but lost the presidency due to the Electoral College system and political maneuvering. The book highlights the importance of understanding election rules and the balance of power between states, while also addressing debates about the fairness of the system. With vibrant illustrations and accessible explanations, this book is perfect for young readers and anyone looking to better understand the mechanics of American democracy.
In Power to the People, Amaya, Jeffrey, and Scout travel to rural America during the Great Depression, where they meet a family living without electricity because private companies won’t serve remote areas. As they help bring power to the farm through a government program, the kids learn how public services can step in when businesses leave communities behind. The story connects the struggle for rural electrification in the 1930s to modern efforts to expand internet access today.
What happens when two sides see the same issue in completely different ways? Dive into this engaging civics adventure that explores the impact of bias on decision-making, communication, and compromise. Follow Scout, Amaya, and Jeffrey as they tackle a modern-day debate over a butterfly sanctuary versus a fire safety hazard, while learning from history’s biggest clash of “Nature versus Necessity” in the Hetch Hetchy Valley.
Travel through time with Amaya, Jeffery, and Scott to learn about Silicon Valley startups and how investment and risk work to expand business ventures. Watch as they apply their knowledge to their own camp start-up.
Travel through time with Amaya, Jeffery, and Scott to the Great Depression. Learn with them how a series of connected economic choices would create one of the nation's largest economic disasters.
Travel through time with Amaya, Jeffery, and Scott to the Great Chicago Fire. Learn with them how poor planning can lead to a disaster.
A group of young artists journeys to the Niger Delta, where they encounter a region shaped by rich natural resources and competing claims over land. As they immerse themselves in the local environment, they begin to understand how geography influences not only economic opportunity but also conflict, cooperation, and daily life. Throughout their travels, the artists draw a powerful comparison to Batik textile-making, where wax is carefully applied to create clear boundaries that give the artwork its structure and meaning. In the same way, they see how firm legal and geographical boundaries are essential for managing access to valuable resources. Without these boundaries, competing interests can lead to tension and instability. By connecting art, geography, and social systems, the journey reveals a deeper truth: the location of resources shapes how communities live and work, but it is the presence of clear laws, shared agreements, and cooperation that allows societies to thrive.
Join a group of young artists as they travel through China, exploring the idea that a city can be understood like a pictograph. Their journey takes a pivotal turn when they face the challenge of freeing a ship stuck in a river. What begins as a practical obstacle becomes a powerful lesson about the relationship between geography and prosperity. As they work through the problem, the artists come to understand how natural features—such as rivers, boundaries, and terrain—play a crucial role in shaping trade, movement, and economic success. Blending travel, art, and insight, the story reveals how cities are not just built spaces, but living representations of the land that supports them and the wealth that grows within those boundaries.
Follow a group of young artists as they journey to Tokyo, a city where human ingenuity has reshaped the natural landscape. Through firsthand exploration, they discover how engineers have reclaimed land from the sea, redefining the city’s geography to support its ever-growing population. As they delve deeper, the artists encounter the challenges architects face in such a dynamic environment—where limited space and unique terrain demand innovative, vertical design. Blending art, engineering, and urban theory, their experience reveals how Tokyo stands as a powerful example of creativity and adaptation in the face of spatial constraints.
In The Many Versus the One, a group of students is swept back to ancient Athens, where they witness the birth—and the flaws—of early democracy. What begins as a classroom argument about fairness turns into a race to stop the Athenian Assembly from silencing minority voices through unchecked majority rule. By introducing the idea of a representative republic, the students learn that true democracy is not just about winning votes, but about protecting every voice. Blending history, debate, and adventure, this story explores how the struggle for fairness in the past still shapes the world today.
Amaya, Jeffrey, and Scout stumble upon the legendary Stele of Hammurabi and are swept away to ancient Babylon, where the disappearance of the Royal Scribe throws the city into chaos. As they solve real-life disputes using the world’s first written laws, the trio discovers how Hammurabi’s Code brought order, fairness, and predictability to society—while also revealing the limits of justice in the ancient world. Filled with humor, history, and adventure, this story shows how teamwork and written rules can change everything.
The Hieroglyphic Heist is an action-packed adventure through ancient Egypt, where Scout and her friends are swept into a world of pyramids, hieroglyphs, and spiritual trials after a debate about art and accuracy. As they decode ancient symbols and navigate dangerous mysteries, they discover that Egyptian art was more than decoration—it was a guide to order, balance, and survival. Filled with puzzles, history, and teamwork, this story celebrates creativity and the power of seeing the world from different perspectives.
The Golden Link follows Mansa Musa and a vast caravan on a journey across the Sahara that helps build Mali’s Trans-Saharan trade network, spreading gold, knowledge, and culture between regions. As the expedition faces harsh deserts and new encounters, it shows how trade and cooperation can transform empires while also hinting at the lasting consequences of wealth and outside interest in West Africa.
The Shattered Map follows Scout, Jeffrey, and Amaya as they travel through key geographic chokepoints like the Nile, Silk Road, and Constantinople, discovering how geography shapes trade and empires. As they recover pieces of a mysterious map, they learn how controlling important locations can determine the rise and fall of civilizations.
When a field trip turns chaotic, Scout, Jeffrey, and Amaya enter the Inca Empire and learn how quipu, llamas, and the Qhapaq Ñan road system keep trade and communication moving. As they try to deliver important cargo across the Andes, they discover that organization and teamwork are essential to keeping an empire—and their group—functioning.
In the midst of the Crimean War, chaos and disease threaten to claim more lives than the battlefield itself. When young volunteers Scout, Amaya, and Jeffrey stumble into the world of Florence Nightingale, they discover a hospital overwhelmed by bureaucracy, filth, and an invisible enemy: deadly diseases like cholera and typhus. With the odds stacked against her, Nightingale knows that saving lives will take more than compassion—it will require hard data, bold reform, and the power of visual storytelling. Together, they uncover hidden mortality records and transform cold statistics into a striking polar area diagram, making the case for life-saving sanitation reforms. This inspiring story shows how determination, teamwork, and the right information can change the world—and how even the greatest passions need a plan to make a difference.
