Gerard Langbaine's 'Momus Triumphans: or, the Plagiaries of the English Stage' is a critical examination of the prevalence of plagiarism in English theater during the late 17th century. Langbaine's work delves into the various instances of literary theft and unoriginality among playwrights of the time, providing detailed examples and analysis of the plagiarized works. Written in a scholarly tone, the book offers a fascinating insight into the ethical and artistic dilemmas faced by writers of the period, shedding light on the broader literary context of the time. Langbaine's meticulous research and thorough documentation make this a valuable resource for scholars and students of English literature. The book serves as a reminder of the importance of originality and intellectual integrity in creative endeavors, challenging readers to consider the implications of plagiarism in the literary world. Langbaine's 'Momus Triumphans: or, the Plagiaries of the English Stage' is a thought-provoking and engaging read that will appeal to anyone interested in the history of English theater and the ethics of authorship.