“Design a bright cover with playful illustrations of a contented few in a very park or café. Use cheerful shades like pink and yellow, having a whimsical font for your title and a simple a person for that writer’s name.” Great mock-ups and literally Many packaging designs to pick from. https://medium.com/@SelfPublishingKindle/how-can-you-start-self-publishing-a-book-with-a-good-agency-937a95d8d19f