Why? Encyclopedia

This exciting reference book uncovers the answers to the big questions across core topics, from science and history to space and the human body.

This encyclopedia covers all the subjects children really want to know about, like what’s inside a pyramid? What is an echo? Did cavemen live in caves? With over 650,000 copies sold worldwide, this refreshed edition of a bestseller brings the latest updates in ever-changing topics for curious kids.

This exciting encyclopedia for kids offers:

- Important information across many big topics, including space, animals and the human body.
- Each double page that is presented around a question a child would ask, providing young readers with an engaging and accessible route into the subject.
- Quiz boxes with additional questions for children, encouraging them to find the answers themselves on the page.

Why? Encyclopedia combines 3D digital illustrations and an interactive question-and-answer format to create an engaging and accessible approach to a number of core topics. This perfect first reference book brings subjects to life, with the latest updates in ever-changing topics, such as space exploration, as well as new pages on interesting topics, including artificial intelligence, climate change, pandemics, and gravity.

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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