Ages 9 to 10

Ring and Asia Wilde's life is anything but ordinary. Some of their closest friends are endangered monkeys and rare birds. Instead of attending middle school, they accompany their parents (scientists who work to save endangered species) on adventures...

In his third wilderness adventure, eleven-year-old Buck Bray, along with the rest of The Wild World of Buck Bray TV crew, including the cameraman's daughter, Toni Shoop, heads to Yellowstone National Park to film an episode about its famous geysers and...

As the star of a new kid-oriented wilderness show, eleven-year-old Buck Bray travels to Denali National Park to shoot the first episode. It promises to be an exciting gig and he's happy to get to spend some time with his director father. Buck's annoyed...

Buck and Toni, along with the rest of the Wild World of Buck Bray TV crew, head to Utah's Canyonlands National Park to film an episode about the canyons and rock formations as well as the ancient people who once lived there. When they learn about...

Meet Three he's a whole number who's still finding his place in the world! Readers will join Three as he learns about the importance of whole numbers and how they help us. Students will learn about place value, naming and comparing numbers, rounding,...

Meet Dorothy Fourteen she lives on a farm in Kansas and struggles with measurement in her daily life. One day, Dorothy is whisked away to Metric Land, where she meets a cast of colorful, mathematical characters. There she learns about the metric system...

Meet Alice Twelve, an ordinary girl from Number City. One day she falls into a rabbit hole and finds herself lost in a magical world full of ratios and proportions. Readers will help her as she solves mathematical problems and meets colorful characters...

Meet the Operations Team together they work to fight crime in Number City! Readers will be introduced to the concepts of functions, comparing quantities, estimation, exponents, and mental math as they explore Number City. Students are invited to test...

After a mischievous dog steals the plans for Geometry World, a group of shapes must team up to rebuild it! Join them on their journey to understand planes, points, shapes, and angles in order to recreate their reality. Readers will learn about different...

Join Three and Eight as they dive into the magical world of Polygon Land! There readers will meet colorful quadrilaterals, circles, triangles, composite figures, and more! Students will learn about methods for calculating the areas, perimeters, and...

Join Fluke Eleven as he sets out to defeat Lord Calculator and sink the Evil Space Station. Along the way, Fluke will learn about equations and how they can help him. Colorful characters will introduce readers to variables, equations, and expressions...

Join the crew of the M.S. Number Line as they explore the mysterious Planet of the Decimals! Through their journey, readers will learn about what decimals represent, decimal models, place value, rounding, fractions, and adding, subtracting, multiplying,...