This book by Mari Mikkola, "Bitterness of Injustice," delves into the profound and often overlooked role of inhumanity within the discourse of feminist philosophy. Mikkola meticulously explores how various forms of systemic injustice—from oppression to marginalization—are intricately linked to perceptions and instantiations of the 'inhuman.' She challenges readers to rethink established notions of humanity and their implications for gender equality, offering a critical lens through which to analyze power structures and advocate for a more inclusive and just society. This work is essential for anyone interested in contemporary feminist thought, ethics, and social justice.