Our World in Numbers: Planet Earth

Learn about everything on planet Earth with this book of extraordinary figures and number-based facts for children aged 9-12!

Put the fun back into learning and take children on a number-crunching journey around our incredible planet. From microscopic minerals to majestic mountains and everything in between, learn all about planet Earth with more than 1,000 weird and wonderful numbers.

Our World in Numbers: Planet Earth will have you impressing your family and friends like never before with mind-blowing figures behind rising sea levels, the gradual growth of mountains, and wild weathers. Children aged 9-12 will number-crunch their way around the planet, discovering everything about world's biggest oceans, rivers, and mountains.

This Earth book of fantastic figures offers:

• More than 1,000 astonishing Earth facts for children aged 9-12.
• Different topics divided by 5 chapters that explore the planet.
• Eye-catching double page features, including vibrant photographs and graphics for every topic.
• Fun and surprising information on more than 80 topics to engage children in the world around them.

This data-packed adventure through the animal world is filled with everything you’ve ever wanted to know about the planet, with full-page photographs and fun, colorful images, wacky fact-bites, and funky figures to become an animal expert!

More in the series

Our World in Numbers explores figures and number-based facts through exciting topics, vibrant photos and exciting graphics. If you liked Our World in Numbers: Planet Earth, why not try Our World in Numbers: Animals, and learn about the animal kingdom, or Our World in Numbers: Dinosaurs, and discover the prehistoric world.

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Standard and Primary covers are widely available through general retailers. They often have higher print runs and can be cheaper, especially during sales.

In contrast, Direct Market (DM) and variant covers are primarily sold in comic shops. DM editions tend to have more limited availability and may be more valuable to collectors.

The main differences lie in artwork style, availability, price, and collector appeal. Ultimately, the choice between standard and variant covers depends on personal preference, budget, and individual collecting goals.

Comic book enthusiasts have various formats to choose from when collecting their favorite stories.
Here's a brief overview of the main types:

Omnibus

• Large, hardcover collections
• Usually contain complete runs or extensive story arcs
• Typically 800-1000+ pages
• Higher price point, often €100-€150

Oversized Hardcover (OHC)

• Similar dimensions to omnibus, but thinner
• Collect shorter runs or story arcs
• Usually 300-600 pages
• Priced between €30-€50

Hardcover (HC)

• Standard-sized hardcover books
• Collect 6-12 issues typically
• Similar dimensions to single issues, but with a hard cover
• Priced around €25-€35

Trade Paperback (TP)

• Softcover collections
• Standard comic book size
• Usually collect 4-6 issues
• Most affordable option, typically €15-€25

Other Formats

• Absolute Editions: Oversized, deluxe hardcovers (mainly DC Comics)
• Compendiums: Massive paperback collections
• Graphic Novels (OGN/GN): Original stories not previously released as single issues

The choice between these formats often depends on personal preference, budget, and collecting goals. Omnibus and OHC editions offer larger artwork and more content but at a higher price, while TPs provide a more affordable way to collect complete story arcs