HeyJaredMireille C. Harper
Hi, I'm Mireille, an editorial director working in trade publishing. I'm also a children's author, award-winning writer and editorial and communications consultant. Join my Substack for writing and publishing advice (and a bit about my books)! 📚
- Indexed issues, last 90 days
- 5
- Latest publication
- Sep 21, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 14, 2026
Latest issues
💌 for the paid subscribers: my book’s been acquired, what happens next? (opens the original)
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Hello, lovely paid subscribers!Can you believe it’s nearly OCTOBER? 2026 seems to be moving at the speed of light - I’ve now published (nearly) all my books for the year, for Tonic. We’ve got one more coming, excitingly - this gorgeous title,
THE SEPTEMBER NEWSLETTER 💌: Writer Opportunities, New Roles, Super Thursday & Everything I Read in August (opens the original)
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Happy September to all you lovely subscribers!It’s a pleasure to be back in your inboxes. Whether you’re locking in and resetting for this September, or you’re easing in a little more softly, this inbox is full of what you readers love - new writer prizes and opportunities, including open submissions, the latest entry-level roles in publishing, and articles worth adding to your reading list.This month, I’ll also be giving you all the lowdown on Super Thursday - publishing’s busiest period - and
💌 for the paid subscribers: how does a book offer work? + bloomsbury's fiction mentorship programme + more (opens the original)
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Welcome back, lovely paid subscribers!It’s a joy to be in touch with you all. It’s been such a busy summer, and I can’t believe that September is already on the horizon. As we get ready for a busy Autumn - edits galore (I’ve worked on five manuscripts in the past fortnight alone?!), campaign plans for August and September lead titles for the list, and work on acquiring books for 2028 (just saying this feels illegal), what’s been great to see is all the opportunities coming in. I’m seeing more op
THE AUGUST NEWSLETTER 💌: Open Submissions, New Writer Opportunities, Publishing Roles + The Big Bullying Issue (opens the original)
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Happy August to all you lovely subscribers!It’s a joy to be in your inboxes with more of what you readers love - new writer prizes and opportunities, the latest entry-level roles in publishing, and the articles you should be reading. I’ll also be touching on The Bookseller’s Bullying Survey - why staff welfare remains an issue in the sector and food for thought after some damning findings. Enjoy reading, Mireille xopen submissions 📧Tiny Reparations BooksThis incredible publishing house, set up
💌 for the paid subscribers: what are editors looking for? + new writer opportunities + publishing roles (opens the original)
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Welcome back, lovely paid subscribers!I’m so pleased to be back in your inboxes. I hope you’ve all been surviving the blistering heat (it’s all a bit too much, isn’t it?!), and finding lots of things to bring you joy.At present, I’m gearing up for the publication of two of Tonic’s biggest two titles for 2026 - The Rejection Cure, a guide to overcoming the fear of rejection and how it might just transform your life, by viral content creator, Sophie Jones - and Soft Life by Sunday Times bestseller
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