Carolyn Mackler ( born July 13 , 1973 in Manhattan ) is an American author of young adult literature . She has written nine novels including '' Infinite in Between '' ; '' Love and Other Four-Letter Words '' ; '' The Earth , My Butt , and Other Big Round Things '' , which won an honorable mention from the Michael L. Printz award ; '' Vegan Virgin Valentine '' ; '' Guyaholic '' ; and '' Tangled '' . Her novels are in print in more than 20 countries such as : the United Kingdom , Australia , Germany , France , Italy , Korea , the Netherlands , Denmark , Israel , and Indonesia . Mackler has also contributed to many magazines including '' Seventeen '' , '' Storyworks '' , '' Glamour '' , '' Girl 's Life '' , and '' American Girl '' . She coauthored '' The Future of Us '' with Jay Asher
Michael L. Printz award
Michael L. Printz Award
Carolyn Mackler