"Clearly tuned into her audience, Maestro offers a neatly distilled overview of U.S. immigration, covering extensive ground without oversimplifying." - Publishers Weekly "A useful overview of a complex issue, attractively designed and clearly written." - School Library Journal

"The Maestros do a real service here in presenting the more familiar explorers in the context of all the migrations that have populated the Western Hemisphere....An outstanding introduction."--Kirkus Reviews. "The dazzlingly clean and accurate prose and the exhilarating beauty of the pictures combine for an extraordinary achievement in both history and art."--School Library Journal.

Have you ever eaten part of a flower? You have if you have eaten an apple! Find out how an apple grows from bud to flower to fruit--ready for you to pick!

Have you ever eaten a part of a flower? You have if you have eaten an apple! Find out how an apple grows from bud to flower to fruit--ready for you to pick!

It's fall! The leaves are changing color. This Let's-Read-and-Find-Out picture book explains the magical process of how leaves change their color in autumn. Now rebranded with a new cover look, this classic picture book features graceful text and simple, fun diagrams to explain concepts like photosynthesis and the different types of leaves. This book also includes simple activities to do with leaves like leaf rubbings. Both the text and art were expert-vetted for accuracy. This is a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts perfect for children in the primary grades and supports the Common Core Learning Standards and Next Generation Science Standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

This easy-to-understand book tells why and how the Constitution of the United States was created. "Simple, attractive, informative....The most accessible history of the Constitution to date."--School Library Journal.

Travel through time with the maestros as they explore the amazing history of timekeeping

Did you know that there is more than one calendar? While the most commonly used calendar was on the year 2000, the Jewish calendar said it was the year 5760, while the Muslim calendar said 1420 and the Chinese calendar said 4698. Why do these differences exist? How did ancient civilizations keep track of time? When and how were clocks first invented?

Find answers to all these questions and more in this incredible trip through history.