A practical guide introducing 23 beginner-friendly option trading strategies. - Title: The World of Option Investing - Author: Fumiaki Moriya - Content: Introduces 23 option trading strategies - Target Audience: Beginners - Features: Strategies combining multiple options I was interested in it, so I read about half of it. This product is used. It is not new. Therefore, those who are nervous about used items may want to refrain from purchasing. However, there are no particular problems with reading it. If you are interested, please consider it. Thank you. Thank you for looking.