A publishing house is a company that specializes in producing and distributing books, magazines, and other written materials. They handle various stages of the publishing process, including editing, design, printing, and marketing. Publishing houses can focus on specific genres, such as fiction, non-fiction, or academic works, and may work with both established and new authors. These companies play a crucial role in the literary world by helping authors bring their ideas to readers. Well-known publishing houses, like Penguin Random House and HarperCollins, have a significant impact on what gets published and how it reaches the public.