Inferno / Dan Brown

It is the fourth book in the Robert Langdon series, following Angels & Demons, The Da Vinci Code, and The Lost Symbol. The novel blends art, history, and symbology with a gripping narrative centered around Dante Alighieri’s "Inferno" from The Divine Comedy.

Harvard professor Robert Langdon wakes up in a hospital in Florence, Italy, suffering from amnesia. He quickly realizes he is being hunted and must decipher a series of clues tied to Dante's Inferno to prevent a global catastrophe. As Langdon follows a trail of hidden symbols and secrets across Florence, Venice, and Istanbul, he uncovers a sinister plan by a geneticist named Bertrand Zobrist, who believes that overpopulation will lead to humanity’s downfall. Zobrist’s solution? A biological weapon that could alter the future of mankind forever.