Blake en Mortimer #6

In this 1987 installment of the Blake et Mortimer series, writer and artist Edgar P. Jacobs delivers another chapter featuring the titular characters, Blake and Mortimer, as they navigate a mystery marked by the enigmatic "Het gele teken" — a yellow sign that holds the key to unfolding events. The story unfolds through Jacobs' signature detailed artwork and precise storytelling, with the cover showcasing his distinctive style in both pencils and inks.