Sara Gruen wrote Water for Elephants
[Human]: Could you recommend books by Sara Gruen? [Assistant]: Sure, Sara Gruen wrote Water for Elephants  and At the Water's Edge. [Human]: Is Water for Elephants a romance film? [Assistant]: Yes, Water for Elephants is Romance. [Human]: Did any other author write books similar to Water for Elephants? 
Yes, have you read the book The Hunger Games by Suzanne Collins?