Greg has written at least 12 books. Their most popular book is Tintin and the Lake of Sharks with 10 saves with an average rating of 3.5⭐.
#18 of 55 in Spirou et Fantasio
1966 • 3 Readers • 63 pages • 4
#16 of 55 in Spirou et Fantasio
1962 • 3 Readers • 63 pages • 3
#24 of 55 in Spirou et Fantasio
1974 • 3 Readers • 48 pages • 4
#49 of 65 in Lucky Luke
1978 • 1 Reader • 60 pages
1973 • 1 Reader • 44 pages
1 Reader • 992 pages • 5
2020 • 1 Reader • 127 pages • 4