Stop Guessing

Become the greatest problem solver you can be!

Bad problem solving costs individuals and society incalculable amounts of time, money, and sanity. In this book Nat Greene—who’s been solving hard problems professionally for over twenty years—shares nine behaviors anyone can adopt to find solutions to even the most seemingly intractable problems.

The problem with most problem solving, Greene says, is that it’s not problem solving at all: it’s guessing. We have an idea of what might work and we try it out. If that doesn’t work, we try something else. And so on. It’s inefficient at best, and with really hard problems there are simply too many variables for guessing to work. Greene shows you how to adopt the behaviors great problem solvers use to arrive at solutions efficiently—without guessing. He illustrates them with examples ranging from everyday issues like fixing a malfunctioning garage door to stopping frequent breakdowns at a chemical plant (saving millions of dollars) to addressing the scourge of poverty in sub-Saharan Africa. So stop guessing and start solving today!

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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