Perceptive Madness Books, Freelancing, and (K-)Pop Culture Subscribe Sent Weekly Archive Sample Accepts Sponsors Cross Promotion English FreelanceCareerBooksKpopPublishing A weekly long-form newsletter exploring freelancing & career insights, books & publishing thoughts, and (k-)pop culture ideas. Tools Substack Created By @sleepyhollowkid Discover Interesting Newsletters Every week we share the best new newsletters as well as tips to start writing your own.