"Rejection Proof," is a humorous and insightful account of his personal project to overcome his fear of rejection by seeking out 100 instances of being denied. Jiang's project evolved from an attempt to build a successful start-up into a deeper exploration of the psychology and biology of rejection and how to navigate it. The book shares his experiences and reflections on his journey, offering readers a unique perspective on how to handle rejection, including practical tips and strategies for approaching, understanding, and even embracing rejection as a potential catalyst for growth and success.