Grade 3

A veces, el mejor escondite está a simple vista. Infórmate sobre la esteganografía, la práctica de ocultar mensajes a la vista de los demás. Ve cómo se vincula con la criptología, la ciencia… Read More →

En tiempos de guerra, los códigos indescifrables ayudan a los ejércitos a ganar batallas. ¿Qué mejor código que un lenguaje avanzado? Lee acerca de cómo los marines navajos arriesgaron sus… Read More →

This book introduces the properties and functions of air, showing readers that air is amazing even though it is invisible. Simple presentations of key introductory science principles make… Read More →

In wartime, unbreakable codes help armies win battles. And what better code than an advanced language. The Navajo language was key to the success of the Battle of Iwo Jima during World War… Read More →

Sometimes, the best hiding place is right in plain sight. Find out about steganography, the practice of concealing messages right under others' noses. See how it links with cryptology, the… Read More →

A giant statue of a lion with a human head sits in the Egyptian desert. Why is it there? Who is it guarding? No one knows for sure. Can you solve the mystery? Read More →

How did real-life spies communicate in secret? Take a look at actual spies, the gear they used to exchange information, and how they turned to secret codes to complete their missions. As part Read More →

Spies have to be innovative to stay undercover. They need the right tools in order to complete their dangerous missions. See all the cool gadgets spies have used to communicate, stay… Read More →

Spies have to be sneaky to avoid being caught on missions. This book gives the inside scoop on all the fascinating tricks spies use to move undetected, send messages discreetly, and more! As… Read More →

Being a spy can be a dangerous job. The skills of a spy are hard to learn, and it requires training and loyalty to be successful! Learn about spies from the past, how spies prepare themselves Read More →

Join the Secret Squid as they journey through outer space. Find the hidden squid if you can; they are in various disguises. Spot different planets, spacecraft, and out-of-this-world… Read More →

Secret Squid uses a clever choice of outfits, depending on which castle he is storming, making him difficult to spot. Join Secret Squid as he storms into seven different historical castles… Read More →

Prepare for a breath-taking journey around the world! Secret Squid's Wonders of the World is a search-and-find book exploring some of the most incredible man-made landmarks on the planet.… Read More →

Have you ever swallowed a seed? If you've eaten a strawberry or a tomato, the answer is, yes! But why didn't a new plant grow inside your stomach? In this book, readers discover what a seed… Read More →

How do you see, hear, smell, taste, and feel things? The human body has five sensory organs that are used to do these activities: eyes, ears, nose, tongue, and skin. Find out more about these Read More →

A remarkable celebration of Richard Wright, poetry, and contemporary black boys at play. From walking a dog to watching a sunset to finding a beetle, Richard Wright's haiku puts everyday… Read More →

Can your eyes deceive you? Try these amazing optical illusions to find out. Look hard, then look again to see... ● spinning patterns—but the page isn't moving! ● colors that change—but do… Read More →

Plenty of things make eight-year-old Maddie nervous: her too-small feet, climbing high places, not always knowing what to say, and especially her new home in the Virginia countryside with… Read More →

Using sketches and paintings by Monet, Seen from a Distance explains how the artist developed his methods for rendering the effects of light, and how he created works that were in many ways… Read More →

A stand-alone follow-up to the acclaimed and beloved chapter book series that began with New York Times Notable Book My Happy Life. Dani is going on a school trip to the zoo, and the teacher Read More →

You may know that Selena Gomez starred in Wizards of Waverly Place and rocks the music world in Selena Gomez & the Scene. But did you know that Selena: • got her big break in show… Read More →

Sensational Animal Senses explores the world of senses and perception in both human and non-human animals. Readers will delight in the wonders of our six senses―vision, hearing, touch, taste, Read More →

Meet a host of awesome animals and learn about the science behind their truly sensational senses! Under the cover of night, bats have the amazing ability to navigate using echolocation. In… Read More →