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Powerful Mathematicians Who Changed the World From A to Z invites readers on a vibrant journey through the lives of 26 influential mathematicians whose ideas have shaped the way we understand the world. From ancient innovators to modern pioneers, this book highlights the diverse contributions of figures such as Benjamin Banneker, Ada Lovelace, Maryam Mirzakhani, and Dorothy Vaughan.

Written by a team of experienced educators and enriched with engaging illustrations, each profile blends biography, historical context, and mathematical insight. Readers will discover how these...

Solving secret codes, uncovering a scandal, and trying to have cleaner water in their town—they’re all part of the adventures in The Mystery Underground! When Jake and Selah find confusing messages while geocaching, they aren’t sure what the notes mean. But after reading about Agnes Meyer Driscoll, a cryptanalyst, and learning about different ciphers and codes, they work with Rory, Xavierra, and Danielle to decode the odd messages. They realize the secret codes are part of a plot by some very important people to cover up problems in their town of Pottersville. Can Jake, Selah,...