It Can’t Be True!

How big is the Sun compared with Earth? What makes space so cold, and how deep is the ocean? It Can’t Be True! takes questions like these and answers them with surprising facts, striking visual comparisons, and clear, browsable explanations.

Big questions, startling comparisons 🌍

Across space, Earth, weather, the human body, animals, and more, this illustrated reference makes measurements easier to picture. Rather than leaving readers with an impressive number on its own, it gives them comparisons that make the scale feel real—from the size of the Sun to the strength of an ant.

Explore a world of extremes

The contents are arranged by subject, moving from the universe and our planet to living things, human feats, engineering, vehicles, computers, and buildings. Short, question-led entries make it easy to open to a topic that catches the eye, while subject data sections and an index help readers find their way around.

For curious readers and fact-sharers

With its accessible questions and visual approach, this DK reference is suited to younger readers who enjoy discovering how the world works—and to anyone who likes a memorable fact to pass along. Keep it nearby for browsing, conversation, and the inevitable “Wait, really?”

Take a closer look

From the familiar to the almost unbelievable, It Can’t Be True! offers a lively tour of the biggest, smallest, fastest, deepest, and most extraordinary things around us.