An acquisitions editor is responsible for evaluating and selecting manuscripts or proposals that align with the publishing house's strategic goals and target audience. They review submissions from authors or literary agents, assess the quality, market potential, and originality of the work, and determine whether it fits within the publisher's catalog. Additionally, acquisitions editors negotiate contract terms, provide feedback to authors, and coordinate with other departments such as editing, marketing, and design to ensure the successful publication of the chosen works. Their role is crucial in shaping the publisher's list and ensuring the publication of high-quality, marketable books.