"Altruism: Its Nature and Types" is an important book by the famous psychologist and philosopher George Herbert Palmer. In this study, the author examines the nature of altruism as reflected in acts of self-sacrifice and helping others. Palmer analyzes various forms of altruism, from the psychological mechanisms that generate it, to the social and cultural aspects of this phenomenon. This book helps to better understand how altruism affects our lives, interpersonal relationships and society as a whole.