Grade 4 - 6

The World of Mammals

The World of Mammals reveals the fascinating physical and behavioral characteristics of a diverse sampling of animals and offers a detailed account of each animal's habitat and natural… More →

The World of Reptiles

Kids love scaly, slithery reptiles! Using up-close, colorful photographs and engaging text, The World of Reptiles provides fascinating information on an array of these cold-blooded… More →

The World's Greatest Artists

Have you ever wondered what inspired some of the world's greatest artists? Each book in the World's Greatest Artists series offers a biography of a famous artist, introduces the techniques… More →

The World's Greatest Athletes

They are the heroes, the winners, the champions. They are the people whose exploits thrill and inspire us all. They are the World's Greatest Athletes, and this series celebrates their lives… More →

Titanic Stories

Each book in the Titanic Stories series explores the experiences and perspectives of the people aboard the most tragic ocean voyage in history. From the children to the crew, the first-class… More →

Today's MVPs and Champions

The top-scoring champion in basketball! The record-setting slugger! The career-record holder in touchdown passes! Only a few professional players have excelled in legendary ways. The series… More →

Top 10 in Sports

Sports is perfect for making lists. Who's the fastest? Who has the most wins? Who's the best? In this high-interest series, readers will learn about heroes from a wide variety of sports.… More →

True Animal Stories

Waterskiing squirrels! Bike-riding dogs! Two-headed turtles! This series has it all for the reluctant reader. Engaging true animal stories and vivid images help keep readers interested. Trot, More →

True Spy Stories

Throughout history, spies have proved to be instrumental in wartime. Each book offers readers an inside look at the techniques used by spies to complete their missions while hidden in plain… More →

True Stories, Real People

Each narrative-nonfiction book in the True Stories, Real People series tells an amazing true story of a real person who has faced the unthinkable and survived. Through clear text, full-color… More →

Understanding Idioms

The English language is filled with colorful idioms--but what do these phrases really mean? Our series presents dozens of common idioms and explains what they mean. Examples and real-world… More →

Understanding the Basics

Young people need to know certain basics. Knowing how to tell time, how to read a ruler, or how to interpret a graph, for example, are lifelong skills that every child should learn. These… More →