Did you know there are 6 simple machines that make up every complicated gizmo out there? This book introduces the pulley, the lever, the screw, the wedge, the inclined plane and the wheel & axle.

Give the subject of energy a zap! This workbook offers a brief overview of energy, its sources and uses. With clear vocabulary and illustrations, it's a great introduction to what fuels us.

Suffixes, verb tenses and plural nouns boil down to simple spelling patterns in this workbook. Kids will handle S, -es, -ing and -ed. It's all in the endings!

Autumn is a time for many changes, especially in nature. Explore the best of the fall season with this collection of paper projects, puzzles, crafts, journal prompts and science experiments!

This workbook teaches kids about the math and physics behind some of the coolest Winter Olympics sports! Kids solve physics problems with applied math and conduct fun physics experiments at home.

Water is the source of life—and of fascinating science! Full of exciting experiments, this workbook brings to life important concepts like water density, the water cycle, and the chemistry of water.

Set your child’s foundation for the math covered in upper grades by helping her master the patterns, tables and shortcuts involved in multiplication. This book covers basic to intermediate exercises.

Pictures and information go hand-in-hand in this workbook. Take a bite out of simple graphing and savor the math!

Turn simple strokes into smarter learning with this handwriting workbook by Evan-Moor! 

Learn all about the Revolutionary War with this exciting history workbook!

Math can be a gritty business but, this workbook breaks down coordinate grids from different angles, from plotting simple points to finding hidden spies.

What's a metaphor? How do you haiku? Kids will hone reading and writing skills with this book, from a simple syllable counting exercise to inventing rhymes and tangling with the Jabberwocky!

In this arrays 101 workbook, we explore and practice concepts like multiplication, repeated addition, factors, and products — all using arrays!

If your kids are looking for new reading material, hand them these! Enjoy these diverse fairy tales that come from all over the continent of Asia.

Learn about presidents Washington, Lincoln and Obama. Reading quizzes, writing in academic formats, color-by-numbers, history timelines and designing monuments: This workbook has it all!

The reading and writing practice in this workbook will get kids thinking about all the different parts that go into a good story, like vocabulary, structure and sequencing.

Embark on a worldwide animal safari with this nature-lover's workbook! Learn about animal habitats, endangered species and more, all while honing reading comprehension skills.

Get acquainted with the original GPS...maps! This geography workbook goes over all the fundamentals of finding your way, from cardinal directions to map scale, landforms and more.

This book orbits all sorts of outer space objects. Introduce kids to bits of space with this easy-to-read series that goes from Earth to nebula in light speed!

Get your second grader's creativity flowing with this workbook, boasting all of the right stuff he needs to create events in a sequence, and eventually even pen his own prompts!

Fractions and decimals are way more fun when you apply them to real life scenarios, like parties, food and pets! This workbook teaches kids all about splitting up numbers.

This book is all about logic puzzles, challenging kids to crack codes and determine answers by process of elimination and by observing clues. It exercises skills like reading, planning and reasoning.

Find your inner musician with this fun-filled workbook all about music. Read about the history of different music genres, and learn to read music on the piano and guitar too!

This guide takes your child through all the steps of creating a successful science fair project, from choosing a project and conducting research, to writing up a report and making a display.

Count on this vocabulary-focused resource as the go-to workbook all about natural resources! Write, research and get a breakdown of the world around by the natural resources we need and use.

Meet mythical creatures from all around the world with these creative writing prompts. Tell a story from a monster's perspective, trek the Himalayas with a yeti and create your own monster too!

Celebrate the Summer Olympics with this activity book. Learn some history, get to know Olympic athletes and ready yourself with all the tools you need to host your very own backyard games!

Learn the lay of the land with a comprehensive breakdown of Earth's landforms. From buttes to fjords, kids will learn all the terminology and science behind the amazing structures of our planet.

Personal narrative writing is all about you—the writer! Kids will enjoy writing about themselves, from personal experiences and to feelings and emotions. Plus, they'll learn how to map a story.

A roll of the dice. A flip of a coin. A game of rock, paper, scissors. Kids are calculating probability all the time. The ability to predict outcomes based on the odds is the focus of this series.