Frantz Fanon and this book are extremely influential in the field of postcolonial theory. Fanon looks at the psychological effects of colonization, covering topics such as the colonial gaze and stereotyping.
In this DVD and video above based on Said's Book "Orientalism," Edward Said explains how the West addresses the East through different modes of communication. He points out the exploitation, oppression, othering, stereotyping, and control that the western world enforces on the orient.
This book provides a well organized explanation of Spivak's theories and tools for postcolonial criticism. It includes her interpretations on famous po-co texts such as "Wide Sargasso Sea."
The Wretched of the Earth by 
Edward Said on Orientalism
Gayatri Spivak by 