National Geographic Kids Why? The Human Body

Why can kids hear better than grown-ups? Why can’t humans spit like llamas? This brainy and zany Q&A book answers the serious and silly questions kids have about the human body.

Put on your lab coat and grab hold of your stethoscope as you embark on a scientific mission to boost your brainpower on all topics about the human body! Explore anatomy and find out why bones break. Look into the senses and discover why sour foods make your mouth pucker. Get acquainted with genetics to find out why your hair changes over time. Be boggled by the power of your brain as you decipher why you can hear yourself think. Get grossed out—in a good way—as you uncover why snot and boogers have an important job to do. Discover how scientists study new diseases, and ponder if humans will one day be able to live forever.  

This compact and focused little sibling of the best-selling Why? Over 1,111 Answers to Everything is the second title in a series of fun-packed books designed to supercharge and satisfy your curiosity while keeping you entertained for hours. Figure out what makes you you as you marvel over hundreds of fun facts, stunning photographs, explorer interviews, and activities such as matching games and quizzes. 

With succinct, funny text, eye-popping color photos and illustrations, and mind-boggling facts, Why? The Human Body is sure to please the Q&A-loving crowd! Add to your collection with Why? Animals.

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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