Food swap lessons at a farmer’s market

Trading homemade food is a thing — apparently the "barter economy" is hot. Find out how it all works from author Emily Paster, signing copies of "Food Swap: Specialty Recipes for Bartering, Sharing & Giving."

Where: Headhouse Square Farmers Market at 2nd and Lombard St.

When: August 7, 2016 at 10:00 a.m. to 2:00 p.m.

How much: $19.95 per book (chatting is free)