This is an interview with the author. It is quite long but interesting.
Twinkl have a huge amount of PowerPoint presentations, quizes and activity sheets based on the novel. Use the code IRLTWINKLHELPS for free access.
This is a workbook from Folens, the questions on each chapter may get you thinking.
Try a kahoot quiz and test your knowledge on the novel! Kahoot currently have free access to all quizzes.Kahoot Quiz on Under the Hawthorn Tree Under the Hawthorn Tree Quiz