ArticleHomebrewer’s Library: BYO Writers Pick Favorite Books New beer books show up in the Brew Your Own mailbox every week, but not every book is an instant classic. We asked some of BYO’s longtime columnists — Ashton Lewis (“Mr.Already a member? Log InWritten by BYO StaffYou'll Also Like Article FREE Recording Your Brew Day Taking notes from brew day on through the end of packaging helps brewers repeat what works, see why targets were missed, and better understand equipment, ingredients, and the science of brewing beer. Article MEMBERS ONLY Insulation for Single Vessel Brewing What’s the best way to hold a consistent mash temperature for brew-in-a-bag brewing? We put the popular Reflectix insulation to the test.