All the Bright Places, written by Jennifer Niven, is a powerful and poignant story about depression, mental illness, and the redemptive power of love. The story revolves around the lives of the two main protagonists - Violet Markey and Theodore Finch.

Violet is a popular girl who has recently lost her sister in a car accident. She is struggling to cope with her grief and going through life on auto-pilot. Theodore Finch is a loner, who is fascinated by death and finds himself in a constant battle with depression. A chance encounter on the top of their school’s bell tower brings the two together, and the story takes off from there.

Throughout the storyline, Violet and Finch embark on a journey of self-discovery as they struggle to come to terms with their personal demons. As they traverse the highs and lows of their teenage years, they help each other cope with their problems and grow closer.

Jennifer Niven has done an excellent job of bringing the characters to life in this book. The story is narrated from the perspective of both the main characters, giving us insight into what they are thinking and how they are feeling. This storytelling technique helps the readers to connect with the characters on a deeper level, making it easier to empathize with their struggles.

All the Bright Places is a well-written story that tackles the sensitive issue of mental illness with great empathy and sensitivity. It highlights the importance of communication, understanding, and the power of love in the battle against mental health problems. This book is not only an engrossing read but can also serve as a source of inspiration for anyone who may be struggling with similar issues. If you are looking for a young adult novel that is both entertaining and enlightening, then All the Bright Places is definitely worth checking out.