Carolyn Mackler is the author of the bestselling teen novels The World, My Butt, and Other Huge Round Things (A Michael L. Printz Book) and The Earth, My Butt, and Other Large Round Things (A Michael L. Printz Book). Tangled; Guyaholic; Vegan Virgin Valentine; and Love and Other Four-Letter Terms (a Printz Honor Book). Carolyn's most recent work, The Future of Us, which she co-wrote with bestselling author Jay Asher, has gotten starred reviews and has been optioned by Warner Brothers for a film adaptation. Her debut novel for a younger audience is Best Friend Next Door.