Which tree weighs as much as 450 elephants and is the heaviest living thing on Earth? How can a tree have bark on its trunk that grows in rainbow colors? What is the strange red liquid that… More →
Grades 2 - 5
There are rows of beach chairs at a seashore. Stripes on the chairs make an alternating pattern: red, white, red, white. Wind blows the sand and moves it around, making a wavy pattern. Four… More →
A family walking down the street makes an alternating pattern: tall, short, tall, short. The buttons on an elevator form a pattern of circles. A huge staircase goes round and round, making a… More →
It's a stormy summer evening and rain is beating down in the desert. A slow-moving animal appears from its underground burrow. The desert tortoise has not drunk any water for nearly a year.… More →
It's a warm spring morning in the desert. A large pink and black lizard crawls slowly from its burrow. The hungry reptile is leaving its underground home to search for a meal of eggs. If the… More →
As night falls, a tiny, furry creature with enormous eyes emerges from a hole beneath a scrubby desert bush. Always alert to a sudden attack by one of its many predators, the little kangaroo… More →
For over 20 years, Undertaker has been an almost unstoppable force in WWE. He has collected a record 21 WrestleMania wins, and that's just one accomplishment! When Undertaker eventually makes More →
Though he first got his start as a look-a-like for another wrestler, Zack Ryder’s personality has set him apart from the rest. Nicknamed the Long Island Iced-Z, he gets a leg up on his… More →
In the Arizona desert stands a stunning rock formation called The Wave. How did the rock's colorful layers form? How were its wave-like, curves created? This book features a clear,… More →
From the underground safety of a prairie dog burrow, a small animal emerges. It scans the grassland with its huge yellow eyes, looking for predators. The animal is not a prairie dog, however. More →