As the title suggests, it will be suggested in this paper that attachment is a useful concept and that attachment disorders need to be addressed for infants and children to develop into responsible, caring, and mature adults for whom the everyday ability to learn from experience and adapt appropriately to an ever changing world. There will be no attempt to argue that sex offense and early literacy are tied in any way except through the concept of attachment disorder, because children, adolescents, and adults offend for so many different reasons that there is no one underlying pathology let alone one centered on attachment. However, it will be argued there is something about those adolescent sex offenders who remain attachment disordered at ages 12 to 18 that can inform the discussion of the role of attachment and attachment deficits in early literacy and that differentiate the disordered from the normal capacity to develop language and to learn how to read and write.