 The success of this book produced two follow-ups, "The Soul of a Chef" (2000) and "The Reach of a Chef" (2006).Ruhlman has also collaborated with chef Thomas Keller to produce the cookbooks "The French Laundry Cookbook" (1999), "Bouchon" (2004), "Under Pressure" (2008), and "Ad Hoc At Home" (2009), "Bouchon Bakery" (2012); with French chef Eric Ripert and Colombian artist Valentino Cortazar to produce the lavish coffee-table book "A Return to Cooking" (2002); and with Michigan chef Brian Polcyn to produce "Charcuterie