The Heart Principle by Helen Hoang A mismatched pair of would-be lovers prove to be surprisingly perfect for each other in The Heart Principle by Helen Hoang. Quan Diep is a highly eligible up-and-coming CEO who is overwhelmed by all of the women who are suddenly interested in him, while Anna Sun is determined to not let her OCD stand in the way of her keeping Quan from ruining her smitten sister's engagement. Out Aug. 17 Image Source: Amazon.com