Carolyn Mackler is an American author known for her engaging novels for teens and young readers. Born in Manhattan on July 13, 1973, she has crafted a significant body of work that resonates with young audiences worldwide.

Mackler has written ten novels dedicated to teens and young people, including popular titles like Infinite in Between, Not If I Can Help It, The Earth, My Butt, and Other Big Round Things—which earned an honorable mention from the Michael L. Printz award—Vegan Virgin Valentine, Guyaholic, and Tangled.

Her first novel for adults, The Wife App, has received praise from notable authors such as Judy Blume and Gabrielle Zevin.

Additionally, Carolyn co-authored The Future of Us with bestselling author Jay Asher. This novel received starred reviews and appeared on several bestseller lists. She also penned Best Friend Next Door, a novel for younger readers.

Carolyn Mackler's works have been published in over twenty countries, including the United Kingdom, Australia, Germany, France, Italy, Korea, the Netherlands, Denmark, Israel, and Indonesia. She resides in New York City with her husband and two sons.