Most products that influence our daily lives are becoming increasingly complex. Reliability and statistical analytics play a vital role in business, finance, and industry. On one hand, these tools enable organizations to achieve better results and make fact-based decisions across various domains. On the other hand, modern business is becoming more competitive and challenging due to global competition and the inherent complexity of business operations. This book features 18 articles selected from the International Journal of Reliability, Quality and Safety Engineering (IJRQSE) over the past 30 years. These articles represent the major themes of the journal, focusing on reliability, quality, and safety engineering. They are among the most cited articles in the last three years.