The secret to eternal youth? Perhaps not, but this fun combo includes an instructional book and can of powdered cocoa, both produced by Neilson’s Jersey Milk Chocolate. This very rare can pictures the legend dubbed “Mr. Hockey” three times, the label is slightly torn and the can is unopened and still filled with cocoa. The accompanying book, titled “Hockey Instruction Book,” was published in 1963 and includes the original dust jacket. The 91-page book includes pictures and illustrations and features comments from the all-time great - who played his last NHL game at age 52 - and his wife, Colleen, on the inside flaps.