Did You Know? Earth

An exciting children’s encyclopedia that answers explosive geography questions about volcanoes, earthquakes, oceans, and more.

Did you know that the Earth’s largest waterfall is underwater, or that mountains grow? Our incredible planet is much more complex than young minds could ever imagine! Did you know? Earth is a thrilling encyclopedia for children aged 6-8 with a fascination for our planet and how it works. 

Packed with colorful illustrations, fun facts and quiz boxes, this encyclopedia helps children grasp the science behind our incredible planet. Did you know? Earth takes a unique approach, tackling important issues such as global warming and plastics in the ocean, alongside core geography topics, so children can learn all about how nature works and discover what we can do to look after planet Earth.

This fascinating children’s encyclopedia about the Earth:

- Answers more than 200 questions, such as, "Does land stay still?" and "How do raindrops make a cave?" in an engaging question and answer format
- Features stunning photographs and illustrations alongside fascinating facts 
- Structures each page around a question that a child might ask, providing young readers with a reassuring route into the subject
- Includes "Quick quiz" boxes to test the reader on trivia
- Has a fresh and simple design making each page easy to navigate

Help curious minds find out the answers to all the questions they may have, and some they haven't thought of yet! Can you freeze in a desert? Can humans make it rain? Is there life on moss? Covering amazing landforms, deep-sea wonders, and awesome weather, this encyclopedia helps early learners to understand the science behind our extraordinary planet.

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