From finding love to becoming a better parent … Philippa Perry, Paul Dolan, Orna Guralnik and others reveal the books that will change your life From finding love to becoming a better parent … Philippa Perry, Paul Dolan, Orna Guralnik and others reveal the books that will change your life Chosen by Philippa Perry Amir Levine’s Secure , to be published in April, is grounded in attachment theory, in which there are four main styles of bonding: anxious (craving closeness, but fearing rejection),