We are very pleased to announce the third book by our bestselling writers Koos Eissen and Roselien Steur. After the worldwide success of Sketching and Sketching: The Basics, the authors now shift their focus from 'how to sketch' to 'why you sketch'.

For designers, sketching is a daily activity that can serve many goals. You can sketch to brainstorm, to find and articulate ideas or to present a project to other designers in your team or people from other departments. And of course you sketch t...

The Numbers Game is a new game concept that resembles the memory game play but with some interesting differences, which makes the game more exciting and flexible. The Numbers Game consists of four sets of 20 cards. Each set has a set of numbers running from 1 to 20. The goal of the game is to collect one set of 20 cards. However, the cards may only be added to your collection in ascending order, if you first pick a number-1 card, or in descending order, if you first pick a number-20 card.

The...