On TikTok, especially within the BookTok community, certain books have exploded in popularity, gaining cult-like followings and sparking endless discussions. Popular TikTok books often include fast-paced fantasy sagas, heart-wrenching romances, and emotionally gripping thrillers. Titles like Sarah J. Maas's A Court of Thorns and Roses, Colleen Hoover's It Ends With Us, and Olivie Blake's The Atlas Six are frequently spotlighted, alongside surprise hits from indie or debut authors. Readers are drawn in by relatable characters, shocking plot twists, and highly quotable lines that spread quickly across short-form videos. These viral books not only dominate bestseller lists but also inspire themed aesthetics, fan art, and countless recommendations, proving how social media can transform a novel into a global phenomenon.