★★★ Reader Feedback: Excellent and informative. This book is a gem. - Andy Roberts, UK ● Candles work great in a blackout unless you don't have any. But vegetable-oil lamps are a good substitute. They've been around since biblical times. Think of it as proven technology. The needed materials can be found in most kitchen pantries even where no conscious "prepping" has taken place beforehand. And the operating...