John Green (born August 24, 1977) is an American writer whose novels for young adults have reached a broad international audience. He is the author of several widely read books, including Looking for Alaska, An Abundance of Katherines, Paper Towns, The Fault in Our Stars, and Turtles All the Way Down. His work often profiles adolescents or young adults confronting grief, identity, relationships and moral questions.

Work and style

Green's fiction is noted for its conversational voice, humor, and philosophical digressions. Many of his protagonists are curious, intellectually inclined teenagers who form intense friendships and face emotional crises. Recurring elements in his stories include strong central friendships, vivid settings, and an interest in mortality and meaning. Critics and readers have praised his ability to mix wit with poignancy.

Major titles and recognition

  • Looking for Alaska — debut novel that won attention and critical praise.
  • Paper Towns and An Abundance of Katherines — novels that combine mystery, road‑trip elements, and coming‑of‑age themes.
  • The Fault in Our Stars — a best‑known work that broadened his audience and became a major film adaptation.

Looking for Alaska received the Michael L. Printz Award for excellence in young-adult literature; several of his books have appeared on national bestseller lists and have been adapted for film and television. For more on his role as an author see his author profile and for context about the genre see young-adult fiction.

Online projects and community

Beyond books, Green is a prominent figure in online education and digital community building. With his brother Hank he created the Vlogbrothers channel and helped found the fan community known as Nerdfighteria. He co‑launched the educational Crash Course video series and the annual charity initiative Project for Awesome. These efforts have broadened his cultural presence and connected readers, students and viewers across platforms; more on his media initiatives is available here.

John Green's influence extends beyond sales figures: he is frequently credited with helping to shape contemporary young‑adult literature, inspiring discussion about difficult themes among teen readers, and using online media to promote literacy, civic engagement and informal learning.