This workbook is swift to get through, much like the mushers who participated in The Great Race of Mercy. Through reading passages and math problems learn about the event that saved lives.

Reading informational texts is a crucial part of education. This series can help your child think critically about U.S. history. He'll respond to passages, analyze events and learn new vocabulary.

This workbook enhances reading comprehension skills and spelling with a fun collection of word searches covering geology, food, animals and historical figures.

Animals and nature lead the charge to brighten first grade writing practice in this workbook, from sentence building to story writing and a few critter crosswords.

Bright, adorable graphics help your young learner understand the concept of basic addition by counting and grouping together everything from animals and plants to types of transportation.

The activities in this workbook do double-duty as both vocabulary practice and earth science review with a collection of word scrambles, crosswords, and quizzes about animals, plants and planets.

Children learn early math by dealing with objects in place of numbers. These worksheets cover concepts of quantity, counting, and even adding and subtracting, using animals and nature to help teach.

Dive into earth and life science with this book on aquatic biomes. Research reefs, learn wetland animals, and explore the squishy world of swamps in this book about these wet and wild ecosystems.

Count by twos, fives or tens to reveal the animals hiding on the pages. Help your child see patterns between numbers up to 100 and higher. Skip counting builds a base for multiplication down the road.

This book takes preschool math to the next level with sorting practice, and then asks your child to figure out how many items are in each group – all through pictures of familiar animals and objects.

A biome is a community of plants and animals that occupies a distinct region. In this great introductory overview, we explore the vocabulary, flora, and fauna of the world's biomes: tundra, taiga, grasslands, deciduous forest, chaparral, desert, savan