Knowledge Book, The

Indispensable for every home, library, and office, The Knowledge Book distills thousands of years of humankind’s most significant ideas and achievements— explains how they are linked and why they are important—and packs everything into a single, irresistibly readable volume. The richly illustrated pages burst with essential facts from all major fields of knowledge: science, technology, philosophy, art, religion, economics, and more.

Loaded with cross-referencing, fact boxes, and other helpful features, the book is topically organized into five sections: Earth and Space; Mathematics and the Sciences; Politics and Economics; Religion, Philosophy, and Psychology; and the Arts. An introductory spread opens each section, summarizing its biggest ideas and discoveries. Time lines and fact boxes place events in the context of history, while sidebars add interesting details on processes, inventions, and artistic techniques. Famous personalities are introduced in highlighted columns. Finally, each section ends with a notation that lists the major issues to be resolved in our day. Color-coded tabs guide readers through the book and support this innovative and accessible approach.

More than a thousand vibrant images captivate readers who enjoy visual learning and function as a colorful catalog of essential knowledge.

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