The book you had in your hands was called 'A Vegan's oven. Best oven recipies for vegetarians and vegans.' 

The woman looked at you. "Hi, yeah, maybe you can. It's my daughter in law's birthday and she loves cooking and baking, so I was thinking of buying her a cookbook. But she's vegan and I don't quite know what that means. I don't want to insult her. Do you have anything for vegans?"