Book excerpt: Internet Book Watch: Will It Sell? was specifically written for anyone considering bringing their invention to market. A key consideration in marketing a new idea or product is to determine its profitability, especially before investing capital on a patent. James White's practical, "reader friendly" informational manual will provide the non-specialist general reader with inexpensive techniques and practical steps to take in assessing whether or not their invention will be commercially viable. Fundamental issues are clearly addressed such as what a patentable invention is, the step for "idea development" and "product development"; advertising claims, getting professional help, even doing your own patent search. Dozens of Internet resources are provided with instructions for how best to utilize them. If you have an idea or an invention that you want to make money with, begin by a carefully reading of James White's Will It Sell?