An illustrated guide to obeying the laws of heating food on Shabbat. The laws are given in accordance with the classic book Shmirat Shabbat Keilhata. Figures and tables help the reader understand this complex topic and remember important laws. In order for a Saturday meal to be a delight, I would like to warm up the food served. But on Shabbat there is a ban on cooking – cooking food by heat treatment. We find ourselves in a quandary. On the one hand, we want to reheat food on Shabbat, on the other, we do not want to violate the prohibition on cooking. This guide shows you how to get out of a predicament.