An Introductory Course in Summability Theory

Continuous Discovery Habits: Discover Products that Create Customer Value and Business Value

The Design of Everyday Things: Revised and Expanded Edition

Get Into UX: A Foolproof Guide to Getting Your First User Experience Job

Sequence Spaces and Summability over Valued Fields

Functional Analysis and Summability

Operations Research

Classical Summability Theory

The Game Inventor's Guidebook: How to Invent and Sell Board Games, Card Games, Role-Playing Games, & Everything in Between!

ChatGPT: Artificial Intelligence

Discrete Mathematical Structures: A Succinct Foundation

Winning At New Products

Summable Spaces and Their Duals, Matrix Transformations and Geometric Properties

Design Sprint: A Practical Guidebook for Building Great Digital Products

The Ultimate Product Design Career Guide: Understand product design opportunities available and the skills and qualifications you need to succeed.

Spectral Properties of Certain Operators on a Free Hilbert Space and the Semicircular Law

Designing for Growth: A Design Thinking Tool Kit for Managers

Topological Degree Theory and Applications