Hooked: How to Build Habit-Forming Products Author: Nir Eyal (with Ryan Hoover)

Hooked: How to Build Habit-Forming Products is a widely respected business and product design book by Nir Eyal, co-authored with Ryan Hoover.

The book introduces the Hook Model, a four-step process—Trigger, Action, Variable Reward, and Investment—that explains how successful products encourage repeated use. Through clear explanations and relatable case studies, the author helps readers understand how habits are formed without relying on aggressive or misleading tactics.

This book is especially useful for:

• Product managers and designers

• Startup founders and entrepreneurs

• Marketers and growth professionals

• Anyone interested in user psychology and behaviour design

Written in a clear, practical style, Hooked focuses on building meaningful engagement while encouraging ethical responsibility in product development.

• Explains the proven Hook Model framework

• Real-world examples from popular products

• Easy-to-understand language for beginners and professionals

• Focuses on ethical habit-building

• Suitable for business, marketing, and technology readers