Cornebuse et Cie is a French kids illustrated book about a couple of boys who design their own airplane and then go off on a world wide adventure, written and drawn by Sabran Guy in 1945

https://www.mrjakeparker.com/blog/2024/3/1/did-this-1946-french-comic-inspire-miyazakis-films

https://www.flickr.com/photos/taffeta/albums/72157622743015134/  for the whole book

For another book, similar to this, by the same illustrator in 1944, of kids on a world adventure: https://www.flickr.com/photos/taffeta/albums/72157636371988406/

I had forgotten that I had posted about him before  https://justacarguy.blogspot.com/2016/11/guy-sabran.html