An undercover detective and founder of the FBI's Art Crime Team will present a lecture on his non-fiction book, Priceless: How I Went Undercover to Rescue the World's Stolen Treasures, this Sunday at Garth's Auctions in Delaware. The appearance marks the first in Ohio for Robert K. Wittman, who helped save more than $200 million in stolen property, including Rembrandt and Monet paintings, during his 20 years with the FBI. Wittman's lecture begins at 5 p.m. at Garth's Auctions, located at 2690 Stratford Road in Delaware, with book signings to follow. Robert K. Wittman

Tickets are $30 per person and copies of the book will be available at the event, which benefits the Community Foundation of Delaware County. To reserve a ticket, visit www.delawarecf.org or call Garth's offices at 740-362-4771.

--Dana Wilson