Turn 'Why?' into 'Wow!' with This Engaging STEM Encyclopedia

Does your child ask 'why?' about absolutely everything? 100,000 WHYS for Curious Boys is the big, full-color STEM encyclopedia designed to answer the biggest 'why' and 'how' questions kids actually ask. This book tackles 224 essential questions—from 'Why is the sky blue?' to 'How do rockets reach space?'—providing clear, accurate answers that are impossible to put down.

A Smarter Way to Answer 'Why?'

This book explores every question using four distinct methods, allowing young readers to delve as deep as their curiosity allows:

• Quick Answer: A clear explanation understood in seconds.
• The Big Explanation: The deeper story of how and why it truly works.
• Wow Fact: One surprising, true fact they will be eager to share.
• Word Wonder: Introduces a new science word to expand vocabulary.

Every new vocabulary word is collected in an easy A–Z glossary at the back, building real science vocabulary without feeling like homework.

14 Worlds of Wonder to Explore

Discover fascinating topics across 14 distinct sections:

• The Human Body & Brain
• Wild Animals & Predators
• Pets & How to Care for Them
• Ocean Depths
• Space & Rockets
• Speed Machines: Cars, Bikes & Engines
• Food & Cooking Science
• Dinosaurs & Prehistoric Beasts
• Volcanoes, Earthquakes & Planet Earth
• Wild Weather & Storms
• Building Big: Structures & Materials
• Feelings, Courage & Friendship
• Incredible Inventions & Technology
• Great Minds: Inventors, Scientists & Explorers

Why Parents Love It

• Provides real, accurate science, carefully checked and written for capable young minds.
• Encourages screen-free learning that kids actively choose.
• Builds vocabulary, knowledge, and confidence on every page.
• Perfect for ages 6–12: simple enough to start young, rich enough to grow into.

Specifications

• Author: Brook Ellington
• Format: Paperback
• Language: English
• Print Length: 142 pages
• Reading Age: 6 - 13 years
• Dimensions: 17.78 x 0.81 x 25.4 cm (178x8x254mm)
• Item Weight: 336 g
• Publication Date: June 13, 2026

Give your child a book that celebrates their curiosity. Scroll up and add 100,000 WHYS for Curious Boys to your cart today and watch every 'why?' turn into a discovery.