Jean Graton tekent Oom Wim

From the year :	2004      Publisher :  Graton Editeur
Author(s) :	Jean Graton
ISBN-number :	9789070816742
Remark :	This is number 9 from the series "Michel Vaillant introduces"
Contents :	In this album the're 12 true stories full of adventure and discoveries. The story's "The conquerors of the air" and "The first flying competition" are about balloonning.