With the help of Class 4-0, Jessie and Evan Treski have waged a lemonade war, sought justice in a class trial and even unmasked a bell thief. In the fourth installment, Valentine"s Day and a lesson about the distinctive power of poetry collide when someone leaves mysterious candy hearts for the class. Not to worry, self-appointed ace reporter, Jessie, is determined to get the scoop on class crushes?no matter the consequences. Poignant and funny, it"s a Valentine"s Day mystery full of sweet (and sour) surprises.