As a child I loved writing to authors whose words thunderbolted me. I treasure their letters as much as their works – and the time they took to reply to a nosy Aussie-Cypriot kid making inquiries about being a writer. Here are three such letters: Max Fatchen in his inimitable style, Joan Aiken with her memorable writing tips and page one from Michelle Margorian whose detailed, four page letter moves me to this day.