Hanco Kolk is invited by publisher Dupuis to make a one-shot Spirou album. The book is published in 2017 by the name of ‘Tulips from Istanbul’.

The story takes place in 1960, Rotterdam. On the eve of the first floriade, the Count of Rommelgem asks Spirou and Fantasio to go to Rotterdam. He has received a mysterious message from Professor Petrow who wants to defect from Russia to the West.

Colors: Marloes Dekkers | Publisher: Dupuis | 2017