Fabio Moretzsohn’s exquisitely illustrated book ‘Shells A Natural and Cultural History’ explores the intriguing scientific and cultural background of shells. It covers everything from the formation of the many hues and shapes of shells to pearls, the only gems derived from animals. The book also explores the usage of shells in architecture and how they have served as inspiration for artists throughout history. It also emphasizes how shells can function as markers of shifting environmental circumstances.