Based on the information available, "Sissy: Ein Mädchen wird Kaiserin" by Marieluise Von Ingenheim, revolves around **Empress Elisabeth of Austria**, nicknamed Sisi or Sissy 【1】. Here are some themes and topics that could help you connect this book to others in a library:
* **Historical Fiction** The book falls into the genre of historical fiction, specifically about royalty 【2】【3】.
* **European Royalty** Specifically, it deals with **Austrian royalty** and the **Austro-Hungarian Empire** 【4】.
* **Biographical Fiction** The book is based on the life of Empress Elisabeth, so it can be connected to other biographical fiction or historical biographies 【5】【6】.
* **Marriage and Family** The book could explore her marriage to **Franz Joseph I of Austria** and her role as Empress 【1】.
* **Tragedy** The series also touches on the **Tragedy of Mayerling**, related to the death of Sissy's son, Crown Prince Rudolf 【7】.
* **Cultural Icon**: Sisi became a cultural icon, especially in Europe 【8】. She was known for her beauty and style 【9】【10】.
* **Rebellion and freedom**: Sisi was a rebellious empress who enjoyed freedom and had a passion for horseback riding 【11】【12】.
* **Love for the sea**: Sisi loved the sea and even had a tattoo on her shoulder to represent it 【13】.