There are few commonalities that will signify a manipulator at first glance. Moreover, manipulators are often cunning and know the power of a well-executed first impression. Foreknowledge is power.
Understanding how to identify a narcissist in your midst is a valuable skill and, as many will attest, is worth the painful learning process. The value you create should benefit you and your workplace. Cooperation is healthy and coercion is toxic. An unhealthy balance of power would entail unavoidable confrontations. What makes workplace narcissists so nasty is that you don't have a choice but to remain in their sphere of influence.
This handbook will teach you everything you need to protect yourself from the narcissists in your workplace.