Ivory: Go travelling benoquin monobenzone cream But in other ways, Lindy’s interest in investing is something to encourage – if kids want to learn more about the stock market and the way our economy works, and even invest themselves, with oversight, that’s a great thing! They can use the book as a gateway to discussing long-term investing versus short-term investing, and even a philosophical debate about the morality and legality of day trading, short-selling or insider trading.