This is our record of Amazon price changes for The 4 Pillars of Problem-Solving: 169 Techniques & Hacks to Solve Challenges With Strategic Thinking. Build Relationships and Collaborate With People by Fixing Tough Problems Using Creative Solutions (1961398168) since we began monitoring it.
| Price Type | Lowest Ever | Highest Ever | Current + | Average |
|---|---|---|---|---|
| Amazon | (Dec 04, 2025) | (Dec 04, 2025) | 0,00 € (Dec 04, 2025) |
Amazon Price
Dec 04, 2025 08:27 PM
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