"Butter bei die Fische" by Rolf-Bernhard Essig is a captivating proverb guide that sheds light on maritime language in everyday speech. The author, known as the "Indiana Jones of linguistic treasures," takes readers on an exciting journey through the world of sailor's language. This book explains numerous maritime expressions that often go unnoticed in our conversations. Essig shares the curious stories behind phrases like "herumlavieren" (to waffle) or "volle Pulle machen" (to go full throttle) and shows how they are connected to shipping and the sea. The illustrations by Papan add depth to the work, making it an entertaining and educational reading experience. This book is not only for language lovers but also for anyone interested in learning more about the origins and meanings of idioms.