Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Yes. Just buy kosher foods.
Kosher food is not like a specific food. It is not like Hamburgers or anything. SOme foods are kosher and others aren't. Since most people eat all types of food, you can't really avoid eating kosher food.
Normal sugar is kosher.
No kosher salt available
It doesn't matter which country it is. The same rules of kashrut apply everywhere. You just need to buy bread and cheeses from kosher companies.
Vintage cookbooks have a range of prices depending on brand and year. The older Betty Crocker cookbooks can range from a hundred dollars to ten dollars.
At the kosher butcher or grocery store.
Many cookbooks are published in the world annually. The most popular cookbooks are definitely Delia Smith's cookbooks. Delia Smith just gives off a lovely homey vibe that urges people to buy and learn her recipes.
Paula Deen cookbooks can be purchased online or at brick and mortar store. Places at like Chapters, Amazon and eBay have Paula Deen cookbooks available for sale.
There is such a thing as kosher rice paper. You should try a local food store that specialises in selling kosher food.
No. "Best Kosher" has gone out of production since 2009.
Kraft marshmallow cream is kosher in the US. Otherwise, you could check with kosher food stores for other brands of this product.