★This book series will use quirky scientific facts and super-cool trivia to wildly capture young readers’ attention! Each book features plenty of vivid, detailed illustrations, flexible layout designs, and the latest information—packaged in a way that kids love to read.
★Fun Q&A, true-or-false questions, “find-it” interactive games, clear charts, knowledge boxes, and other engaging design elements cater to and satisfy the reading needs of different types of learners. It’s perfect for parent–child shared reading as well as for children to explore on their own.
★Suitable for ages 8 and up.

The series includes 8 books:
Wow! I Didn't Know That Sharks Keep Losing Their Teeth
Wow! I Didn't Know That Dinosaurs Laid Eggs
Wow! I Didn't Know That Some Trains Run on Water
Wow! I Didn't Know That Some Cars Can Swim
Wow! I Didn't Know That Whales Can Sing
Wow! I Didn't Know That Some Planes Hover
Wow! I Didn't Know That Some Bugs Glow in the Dark
Wow! I Didn't Know That You Can Jump Higher on the Moon

This children’s non-fitcion work on rail transport and engineering will take young readers on an exploratory journey through the history of railway development and the engineering behind trains. The book covers everything from early steam locomotives to the cutting-edge high-speed rail technologies of today.

Key factual insights included:
• The History of the American Westward Expansion: It explains the pivotal role trains played in opening up the American West.
• Train Power Configurations: It reveals why some heavy freight trains require multiple locomotives working together to generate sufficient power.
• Inverted and Upside-Down Operation: It uncovers the mechanical principles that allow modern rail vehicles to operate “upside down” or in inverted positions.
• The Evolution of Railway Technology: It lets children witness firsthand how rail transport has evolved step by step, from the earliest steam trains to today’s high-tech, ultra-high-speed trains.

Get ready to hear your kids say, "Wow! I didn't know that!" as they dive into this fun, informative, question-answering series of books! Students--and teachers and parents--will learn things about the world around them that they never knew before!
This approach to education seeks to promote an interest in learning by answering questions kids have always wondered about. When books answer questions that kids already want to know the answers to, kids love to read those books, fostering a love for reading and learning, the true keys to lifelong education.
Colorful graphics are labeled and explained to connect with visual learners, while in-depth explanations of each subject will connect with those who prefer reading or listening as their learning style.
This educational series makes learning fun through many levels of interaction. The entertaining information combined with fantastic illustrations promote learning and retention, while question and answer boxes reinforce the subject matter to promote higher order thinking.
Teachers and parents love this series because it engages young people, sparking an interest and desire in learning. It doesn't feel like work to learn about a new subject with books this interactive and interesting.
This set of books will be an addition to your home or classroom library that everyone will enjoy. And, before you know it, you too will be saying, "Wow! I didn't know that!"
"People cannot learn by having information pressed into their brains. Knowledge has to be sucked into the brain, not pushed in. First, one must create a state of mind that craves that coverage, interest, and wonder. You can teach only by creating an urge to know." - Victor Wnekup
— From the front matter.