I just bought the book "Green Burgers" which is not entirely vegan, but the recipes are easy to adapt. It's not exactly healthy but some of the burgers are simply amazing - stunning and really tasty.
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Green Burgers: Creative Veg...
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Foundations of Flavor: The Noma Guide to Fermentation: Including In-Depth, Step-By-Step Information on Making and Using Koji, Kombuchas, Shoyus, Misos, Vinegars, Garums, Lacto-Ferments, and Black Fruits and Vegetables (Foundations of Flavor)