Which 17th-century Ottoman traveler wrote the extensive multi-volume 'Seyahatname' (Book of Travels), documenting his journeys across the Ottoman Empire and beyond?

• A Evliya Çelebi ✓
• B Piri Reis
• C Kâtip Çelebi
• D Naima

Evliya Çelebi's ten-volume 'Seyahatname' is one of the most important travel accounts in Ottoman literature, covering over 40 years of journeys.