Home › Books › Alan Barclay A Alan Barclay All books by this author in the catalog — 1 title. Fast US shipping. Books in the catalog 1 📚 Author's books (1) ✨ New Barclay, Alan The Ultimate Guide to Sugars and Sweeteners: Discover the Taste, Use, Nutrition, Science, and Lore of Everything from Agave Nectar to Xylitol $17 89 Add to cart