In 2004, Marcel Van der Avert wrote the book “Hoe een betere samenwerking leidt tot meer productiviteit, betrokkenheid en winst” [How a better collaboration leads to more productivity, involvement and profit]. This is a management novel with a workbook and every reader can get personal advice on their own leadership style through an online test. The book was published by Lannoo/Scriptum (ISBN 987-90-774-3227-3). Over 10,000 copies were sold and the book was used by executives and employees during many change processes.

The test that goes with the book Resultaten! [Get Results!] is available here.