Prehistoric Sea Monsters (National Geographic Kids Readers, Level 2)

Meet Megalodon and more of the biggest, coolest, and creepiest marine animals from the prehistoric era!

Teeth, tails, and scales—oh my! Newly independent readers will be transported back to a time when bugs were big and monsters ruled the deep. Each page of this dazzling Level 2 reader is packed with jaw-dropping facts on the fiercest predators of the ancient oceans. Learn about Megalodon, the largest shark ever to have lived; Jaekelopterus, a human-size scorpion; Helicoprion, a fish whose teeth were in the shape of a circular saw; and more!

National Geographic Readers feature engaging text carefully vetted by expert educators and accompanied by magnificent National Geographic photography. Level 2 books feature more challenging text to help readers build their confidence, skills, and vocabulary. 

Featuring incredible illustrations by renowned paleo-illustrator Franco Tempesta and some of the coolest species of prehistoric marine animals, National Geographic Readers Prehistoric Sea Monsters is sure to be a page-turning hit with kids!

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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