Books

Usability: From Friction to Flow unravels the hidden barriers that frustrate users and reveals the principles behind seamless digital experiences. Whether you're designing a product, refining an interface, or leading a team, this book guides you through the art of eliminating friction—turning clunky, confusing interactions into intuitive, effortless flows. Packed with real-world insights, case studies, and actionable strategies, it equips you to craft experiences that feel natural, reduce cognitive load, and keep users engaged. From micro-interactions to holistic UX thinking, this book is your roadmap to mastering usability and creating products people love. If you’ve ever wondered why some interfaces just work while others drive users away, this is your guide to making the shift—from friction to flow.

Why are some developers on fire while others stall? You've implemented DORA, SPACE, DevEx—but still, performance varies wildly. The missing piece? Motivation. Developer Motivation offers a groundbreaking model: DMO = Joy + Discipline – Frustration. Created by veteran CTO and coach Stephan Schmidt, this book puts the developer—not the metric—at the center of productivity. Learn why joy matters, how discipline fuels progress, and how frustration silently kills momentum. Packed with stories from real teams, insights from decades of experience, and instantly actionable strategies, this book will help you build motivated, productive teams—and finally understand the "why" behind developer performance. Whether you're a CTO, engineering manager, or lead developer, this is your guide to higher performance through deeper understanding.

Imagine you're playing a game of chess, but halfway through the match, your opponent makes a move that isn't covered by the rules. What happens next? Does the game continue? Does it crash to a halt? Does the universe implode? Undefined behavior is like playing chess where certain illegal moves are silently accepted during practice games, only to cause catastrophic failures during the championship match. This is essentially what undefined behavior is in programming – it's what happens when we make a move that breaks the rules of the programming language.

A Fortress of Virtue explores how Stoic principles can help individuals maintain clarity, discipline, and moral stability in an increasingly chaotic and fragmented world. Blending philosophy, history, and practical insight, the book offers a direct guide to building resilience, personal integrity, and a meaningful life grounded in enduring principles rather than shifting cultural pressures.

Hoe je beter kunt worden in het leren van fouten — het opbouwen van een cultuur waarin geleerd wordt van fouten binnen je team of organisatie.

Learn the basics of programming with runnable flowcharts!Develop a groundwork for your next programming language, be that Python, Java, C# or any other.Try interactive examples in a matter of seconds!

"The Void in Agile" uncovers the hidden challenges that often derail Agile practices. Packed with actionable insights, it reveals how to overcome pitfalls like velocity traps, bloated backlogs, and technical debt, empowering teams to focus on what truly matters—delivering value to customers. If you're ready to make Agile work more effectively, this book is for you!

From Historical Lessons to Financial Success