See larger image 21 Pounds in 21 Days: The Martha’s Vineyard Diet Detox (Paperback) By (author) Roni Deluz, James Hester List Price: $16.99 USD New From: $4.55 In Stock Used from: $1.00 In Stock Release date December 23, 2008. According to authors Roni Deluz and James Hester, 21 days is all you need to lose [...]