Echoism : The Silenced Response to Narcissism, Hardcover by Savery, Donna Christina, ISBN 0367374196, ISBN-13 9780367374198, Like New Used, Free shipping in the US This book introduces the importance of Echoism as both a clinical entity and a theoretical concept. In Ovid's version of the myth of Echo and Narcissus, the character Echo receives equal attention to her counterpart, Narcissus, yet she has been completely marginalised in the pervasive psychoanalytic literatures on narcissism.