*Product Management: Avoiding Build Traps and Delivering Value to Customers* (by Melissa Perri, translated by Ryutaro Yoshiha, O’Reilly Japan, 2020) is also often cited as a prime example of a product development book. However, this book focuses more on organizational topics than *The Complete Guide to Product Management* and advances its arguments through a narrative set in a fictional company. Since the content and writing style differ significantly from the other book, reading both will...