Joan C Toller 
Friendships [PDF ebook] 
Types, Cultural, Psychological and Social Aspects

In this book, the authors discuss adolescent best friends and the profound influence this relationship brings during adolescence and beyond; friendship facilitation strategies for individuals with physical or psychological impairment; empirical findings regarding the ways that child abuse may adversely affect the initiation and maintenance of friendships in early adulthood; value similarity in adolescent friendships and others.