The book "Prison Post: Letters of Support for Peter Greste" compiles various letters written to journalist Peter Greste during his imprisonment. Greste, an Australian journalist, was arrested while covering a story in Egypt and faced significant legal challenges. The letters reflect the support he received from family, friends, colleagues, and the global community, highlighting the impact of his situation on those around him. The letters show a diverse range of emotions, from encouragement and love to outrage over his wrongful detention. They also emphasize themes of freedom of the press and the importance of journalistic integrity, which are vital in maintaining democratic societies. Greste's case became emblematic of broader issues related to media freedom and human rights. This collection not only reveals the personal connections and solidarity Greste experienced but also serves as a testament to the power of collective advocacy. Through these letters, readers gain insight into the human cost of imprisonment for free expression and the importance of standing up for those who defend the truth, making the book both a poignant narrative and a call to action.