Citizens of the Sea

National Geographic underwater photographers and the Census of Marine Life capture the astonishing diversity and the most intriguing organisms in the ocean in this riveting book, by marine scientist Nancy Knowlton. 

As you read lively vignettes about sea creatures’ names, defenses, migration, mating habits, and more, you’ll be amazed at wonders like . . .

· The almost inconceivable number of creatures in the marine world. From the bounty of microbes in one drop of seawater, we can calculate that there are more individuals in the oceans than stars in the universe.
· The sophisticated sensory abilities that help these animals survive. For many, the standard five senses are just not enough.
· The incredible distances that seabirds and other species cover. Some will feed in both Arctic and Antarctic waters within a single year.
· The odd relationships common in the marine world. From a dental hygienist for fish to a walrus’s one-night stand, you’ll find beauty, practicality, and plenty of eccentricity in sea-life socialization.

Brilliantly photographed and written in an easygoing style, Citizens of the Sea will inform and enchant you with close-up documentation of the fascinating facts of life in the ocean realm.

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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